Home / 123,461,908.28-170,377,671.61-67,707,720.17

Finding the Fourth Proportional to 123,461,908.28, 170,377,671.61 and 67,707,720.17

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Solution

The fourth proportional to 123,461,908.28, 170,377,671.61 and 67,707,720.17 is: 93,436,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,461,908.28 : 170,377,671.61 = 67,707,720.17 : x
  2. Step 2: Convert to fraction form
    123,461,908.28/170,377,671.61 = 67,707,720.17/x
  3. Step 3: Cross multiply
    123,461,908.28x = 170,377,671.61 × 67,707,720.17
  4. Step 4: Simplify right side
    123,461,908.28x = 11,535,883,712,586,034
  5. Step 5: Solve for x
    x = 11,535,883,712,586,034/123,461,908.28
  6. Step 6: Final answer
    x = 93,436,784.46

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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.