Home / 90,358,681.93-124,696,324.83-49,105,607.11

Finding the Fourth Proportional to 90,358,681.93, 124,696,324.83 and 49,105,607.11

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Solution

The fourth proportional to 90,358,681.93, 124,696,324.83 and 49,105,607.11 is: 67,766,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,358,681.93 : 124,696,324.83 = 49,105,607.11 : x
  2. Step 2: Convert to fraction form
    90,358,681.93/124,696,324.83 = 49,105,607.11/x
  3. Step 3: Cross multiply
    90,358,681.93x = 124,696,324.83 × 49,105,607.11
  4. Step 4: Simplify right side
    90,358,681.93x = 6,123,288,735,162,917
  5. Step 5: Solve for x
    x = 6,123,288,735,162,917/90,358,681.93
  6. Step 6: Final answer
    x = 67,766,468.08

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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.