Home / 156,540,379.14-216,002,289.60-89,548,685.82

Finding the Fourth Proportional to 156,540,379.14, 216,002,289.60 and 89,548,685.82

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Solution

The fourth proportional to 156,540,379.14, 216,002,289.60 and 89,548,685.82 is: 123,563,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540,379.14 : 216,002,289.60 = 89,548,685.82 : x
  2. Step 2: Convert to fraction form
    156,540,379.14/216,002,289.60 = 89,548,685.82/x
  3. Step 3: Cross multiply
    156,540,379.14x = 216,002,289.60 × 89,548,685.82
  4. Step 4: Simplify right side
    156,540,379.14x = 19,342,721,167,791,052
  5. Step 5: Solve for x
    x = 19,342,721,167,791,052/156,540,379.14
  6. Step 6: Final answer
    x = 123,563,781.27

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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.