Home / 90,625,182.88-125,029,946.37-59,281,123.18

Finding the Fourth Proportional to 90,625,182.88, 125,029,946.37 and 59,281,123.18

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Solution

The fourth proportional to 90,625,182.88, 125,029,946.37 and 59,281,123.18 is: 81,786,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,625,182.88 : 125,029,946.37 = 59,281,123.18 : x
  2. Step 2: Convert to fraction form
    90,625,182.88/125,029,946.37 = 59,281,123.18/x
  3. Step 3: Cross multiply
    90,625,182.88x = 125,029,946.37 × 59,281,123.18
  4. Step 4: Simplify right side
    90,625,182.88x = 7,411,915,651,948,764
  5. Step 5: Solve for x
    x = 7,411,915,651,948,764/90,625,182.88
  6. Step 6: Final answer
    x = 81,786,490.43

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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.