Home / 113,543,034.20-156,689,455.84-61,332,092.93

Finding the Fourth Proportional to 113,543,034.20, 156,689,455.84 and 61,332,092.93

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Solution

The fourth proportional to 113,543,034.20, 156,689,455.84 and 61,332,092.93 is: 84,638,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,543,034.20 : 156,689,455.84 = 61,332,092.93 : x
  2. Step 2: Convert to fraction form
    113,543,034.20/156,689,455.84 = 61,332,092.93/x
  3. Step 3: Cross multiply
    113,543,034.20x = 156,689,455.84 × 61,332,092.93
  4. Step 4: Simplify right side
    113,543,034.20x = 9,610,092,266,883,342
  5. Step 5: Solve for x
    x = 9,610,092,266,883,342/113,543,034.20
  6. Step 6: Final answer
    x = 84,638,325.32

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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.