Home / 90,026,748.27-124,237,508.94-48,773,640.78

Finding the Fourth Proportional to 90,026,748.27, 124,237,508.94 and 48,773,640.78

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Solution

The fourth proportional to 90,026,748.27, 124,237,508.94 and 48,773,640.78 is: 67,307,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026,748.27 : 124,237,508.94 = 48,773,640.78 : x
  2. Step 2: Convert to fraction form
    90,026,748.27/124,237,508.94 = 48,773,640.78/x
  3. Step 3: Cross multiply
    90,026,748.27x = 124,237,508.94 × 48,773,640.78
  4. Step 4: Simplify right side
    90,026,748.27x = 6,059,515,632,441,599
  5. Step 5: Solve for x
    x = 6,059,515,632,441,599/90,026,748.27
  6. Step 6: Final answer
    x = 67,307,947.35

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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.