Home / 89,448,005.10-134,172,007.65-79,244,337.90

Finding the Fourth Proportional to 89,448,005.10, 134,172,007.65 and 79,244,337.90

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Solution

The fourth proportional to 89,448,005.10, 134,172,007.65 and 79,244,337.90 is: 118,866,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448,005.10 : 134,172,007.65 = 79,244,337.90 : x
  2. Step 2: Convert to fraction form
    89,448,005.10/134,172,007.65 = 79,244,337.90/x
  3. Step 3: Cross multiply
    89,448,005.10x = 134,172,007.65 × 79,244,337.90
  4. Step 4: Simplify right side
    89,448,005.10x = 10,632,371,910,937,986
  5. Step 5: Solve for x
    x = 10,632,371,910,937,986/89,448,005.10
  6. Step 6: Final answer
    x = 118,866,506.85

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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.