Home / 94,887,990.47-131,013,285.37-74,003,355.78

Finding the Fourth Proportional to 94,887,990.47, 131,013,285.37 and 74,003,355.78

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Solution

The fourth proportional to 94,887,990.47, 131,013,285.37 and 74,003,355.78 is: 102,177,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,887,990.47 : 131,013,285.37 = 74,003,355.78 : x
  2. Step 2: Convert to fraction form
    94,887,990.47/131,013,285.37 = 74,003,355.78/x
  3. Step 3: Cross multiply
    94,887,990.47x = 131,013,285.37 × 74,003,355.78
  4. Step 4: Simplify right side
    94,887,990.47x = 9,695,422,768,466,472
  5. Step 5: Solve for x
    x = 9,695,422,768,466,472/94,887,990.47
  6. Step 6: Final answer
    x = 102,177,553.98

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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.