Home / 126,862,732.50-175,055,718.21-74,640,282.90

Finding the Fourth Proportional to 126,862,732.50, 175,055,718.21 and 74,640,282.90

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Solution

The fourth proportional to 126,862,732.50, 175,055,718.21 and 74,640,282.90 is: 102,994,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862,732.50 : 175,055,718.21 = 74,640,282.90 : x
  2. Step 2: Convert to fraction form
    126,862,732.50/175,055,718.21 = 74,640,282.90/x
  3. Step 3: Cross multiply
    126,862,732.50x = 175,055,718.21 × 74,640,282.90
  4. Step 4: Simplify right side
    126,862,732.50x = 13,066,208,330,457,084
  5. Step 5: Solve for x
    x = 13,066,208,330,457,084/126,862,732.50
  6. Step 6: Final answer
    x = 102,994,851.78

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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.