Home / 69,108,158,292.77-103,662,237,439.14-19,421,480,578.52

Finding the Fourth Proportional to 69,108,158,292.77, 103,662,237,439.14 and 19,421,480,578.52

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Solution

The fourth proportional to 69,108,158,292.77, 103,662,237,439.14 and 19,421,480,578.52 is: 29,132,220,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,292.77 : 103,662,237,439.14 = 19,421,480,578.52 : x
  2. Step 2: Convert to fraction form
    69,108,158,292.77/103,662,237,439.14 = 19,421,480,578.52/x
  3. Step 3: Cross multiply
    69,108,158,292.77x = 103,662,237,439.14 × 19,421,480,578.52
  4. Step 4: Simplify right side
    69,108,158,292.77x = 2,013,274,131,150,186,479,616
  5. Step 5: Solve for x
    x = 2,013,274,131,150,186,479,616/69,108,158,292.77
  6. Step 6: Final answer
    x = 29,132,220,867.78

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Double scale
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1.5x scale

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.