Home / 90,288,580.50-124,605,925.38-51,137,321.94

Finding the Fourth Proportional to 90,288,580.50, 124,605,925.38 and 51,137,321.94

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Solution

The fourth proportional to 90,288,580.50, 124,605,925.38 and 51,137,321.94 is: 70,573,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,580.50 : 124,605,925.38 = 51,137,321.94 : x
  2. Step 2: Convert to fraction form
    90,288,580.50/124,605,925.38 = 51,137,321.94/x
  3. Step 3: Cross multiply
    90,288,580.50x = 124,605,925.38 × 51,137,321.94
  4. Step 4: Simplify right side
    90,288,580.50x = 6,372,013,321,788,676
  5. Step 5: Solve for x
    x = 6,372,013,321,788,676/90,288,580.50
  6. Step 6: Final answer
    x = 70,573,856.48

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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.