Home / 90,165,895.47-124,429,175.19-48,912,787.85

Finding the Fourth Proportional to 90,165,895.47, 124,429,175.19 and 48,912,787.85

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Solution

The fourth proportional to 90,165,895.47, 124,429,175.19 and 48,912,787.85 is: 67,499,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165,895.47 : 124,429,175.19 = 48,912,787.85 : x
  2. Step 2: Convert to fraction form
    90,165,895.47/124,429,175.19 = 48,912,787.85/x
  3. Step 3: Cross multiply
    90,165,895.47x = 124,429,175.19 × 48,912,787.85
  4. Step 4: Simplify right side
    90,165,895.47x = 6,086,177,847,796,807
  5. Step 5: Solve for x
    x = 6,086,177,847,796,807/90,165,895.47
  6. Step 6: Final answer
    x = 67,499,777.12

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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.