Home / 90,358,680.93-124,696,323.45-49,105,606.11

Finding the Fourth Proportional to 90,358,680.93, 124,696,323.45 and 49,105,606.11

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Solution

The fourth proportional to 90,358,680.93, 124,696,323.45 and 49,105,606.11 is: 67,766,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,358,680.93 : 124,696,323.45 = 49,105,606.11 : x
  2. Step 2: Convert to fraction form
    90,358,680.93/124,696,323.45 = 49,105,606.11/x
  3. Step 3: Cross multiply
    90,358,680.93x = 124,696,323.45 × 49,105,606.11
  4. Step 4: Simplify right side
    90,358,680.93x = 6,123,288,542,700,856
  5. Step 5: Solve for x
    x = 6,123,288,542,700,856/90,358,680.93
  6. Step 6: Final answer
    x = 67,766,466.70

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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.