Home / 90,749,147.40-136,123,721.10-33,247,231.20

Finding the Fourth Proportional to 90,749,147.40, 136,123,721.10 and 33,247,231.20

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Solution

The fourth proportional to 90,749,147.40, 136,123,721.10 and 33,247,231.20 is: 49,870,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749,147.40 : 136,123,721.10 = 33,247,231.20 : x
  2. Step 2: Convert to fraction form
    90,749,147.40/136,123,721.10 = 33,247,231.20/x
  3. Step 3: Cross multiply
    90,749,147.40x = 136,123,721.10 × 33,247,231.20
  4. Step 4: Simplify right side
    90,749,147.40x = 4,525,736,827,216,018
  5. Step 5: Solve for x
    x = 4,525,736,827,216,018/90,749,147.40
  6. Step 6: Final answer
    x = 49,870,846.80

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Double scale
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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.