Home / 129,354,465.00-178,508,253.61-70,617,130.12

Finding the Fourth Proportional to 129,354,465.00, 178,508,253.61 and 70,617,130.12

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Solution

The fourth proportional to 129,354,465.00, 178,508,253.61 and 70,617,130.12 is: 97,451,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,354,465.00 : 178,508,253.61 = 70,617,130.12 : x
  2. Step 2: Convert to fraction form
    129,354,465.00/178,508,253.61 = 70,617,130.12/x
  3. Step 3: Cross multiply
    129,354,465.00x = 178,508,253.61 × 70,617,130.12
  4. Step 4: Simplify right side
    129,354,465.00x = 12,605,740,572,784,304
  5. Step 5: Solve for x
    x = 12,605,740,572,784,304/129,354,465.00
  6. Step 6: Final answer
    x = 97,451,143.82

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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.