Home / 69,108,158,295.38-103,662,237,443.08-19,421,480,581.14

Finding the Fourth Proportional to 69,108,158,295.38, 103,662,237,443.08 and 19,421,480,581.14

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Solution

The fourth proportional to 69,108,158,295.38, 103,662,237,443.08 and 19,421,480,581.14 is: 29,132,220,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,295.38 : 103,662,237,443.08 = 19,421,480,581.14 : x
  2. Step 2: Convert to fraction form
    69,108,158,295.38/103,662,237,443.08 = 19,421,480,581.14/x
  3. Step 3: Cross multiply
    69,108,158,295.38x = 103,662,237,443.08 × 19,421,480,581.14
  4. Step 4: Simplify right side
    69,108,158,295.38x = 2,013,274,131,498,301,915,136
  5. Step 5: Solve for x
    x = 2,013,274,131,498,301,915,136/69,108,158,295.38
  6. Step 6: Final answer
    x = 29,132,220,871.71

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.