Home / 156,540,391.14-216,002,306.16-89,548,697.82

Finding the Fourth Proportional to 156,540,391.14, 216,002,306.16 and 89,548,697.82

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Solution

The fourth proportional to 156,540,391.14, 216,002,306.16 and 89,548,697.82 is: 123,563,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540,391.14 : 216,002,306.16 = 89,548,697.82 : x
  2. Step 2: Convert to fraction form
    156,540,391.14/216,002,306.16 = 89,548,697.82/x
  3. Step 3: Cross multiply
    156,540,391.14x = 216,002,306.16 × 89,548,697.82
  4. Step 4: Simplify right side
    156,540,391.14x = 19,342,725,242,744,964
  5. Step 5: Solve for x
    x = 19,342,725,242,744,964/156,540,391.14
  6. Step 6: Final answer
    x = 123,563,797.83

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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.