Home / 144,735,892.65-216,925,972.29-66,907,520.70

Finding the Fourth Proportional to 144,735,892.65, 216,925,972.29 and 66,907,520.70

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Solution

The fourth proportional to 144,735,892.65, 216,925,972.29 and 66,907,520.70 is: 100,279,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735,892.65 : 216,925,972.29 = 66,907,520.70 : x
  2. Step 2: Convert to fraction form
    144,735,892.65/216,925,972.29 = 66,907,520.70/x
  3. Step 3: Cross multiply
    144,735,892.65x = 216,925,972.29 × 66,907,520.70
  4. Step 4: Simplify right side
    144,735,892.65x = 14,513,978,981,360,802
  5. Step 5: Solve for x
    x = 14,513,978,981,360,802/144,735,892.65
  6. Step 6: Final answer
    x = 100,279,058.05

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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.