Home / 90,217,908.30-124,500,833.58-48,964,800.66

Finding the Fourth Proportional to 90,217,908.30, 124,500,833.58 and 48,964,800.66

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Solution

The fourth proportional to 90,217,908.30, 124,500,833.58 and 48,964,800.66 is: 67,571,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,908.30 : 124,500,833.58 = 48,964,800.66 : x
  2. Step 2: Convert to fraction form
    90,217,908.30/124,500,833.58 = 48,964,800.66/x
  3. Step 3: Cross multiply
    90,217,908.30x = 124,500,833.58 × 48,964,800.66
  4. Step 4: Simplify right side
    90,217,908.30x = 6,096,158,498,248,534
  5. Step 5: Solve for x
    x = 6,096,158,498,248,534/90,217,908.30
  6. Step 6: Final answer
    x = 67,571,490.11

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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.