Home / 130,849,569.74-180,540,693.10-74,321,740.91

Finding the Fourth Proportional to 130,849,569.74, 180,540,693.10 and 74,321,740.91

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Solution

The fourth proportional to 130,849,569.74, 180,540,693.10 and 74,321,740.91 is: 102,545,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,849,569.74 : 180,540,693.10 = 74,321,740.91 : x
  2. Step 2: Convert to fraction form
    130,849,569.74/180,540,693.10 = 74,321,740.91/x
  3. Step 3: Cross multiply
    130,849,569.74x = 180,540,693.10 × 74,321,740.91
  4. Step 4: Simplify right side
    130,849,569.74x = 13,418,098,616,290,024
  5. Step 5: Solve for x
    x = 13,418,098,616,290,024/130,849,569.74
  6. Step 6: Final answer
    x = 102,545,989.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.