Home / 99,850,732.20-149,776,098.30-65,413,355.40

Finding the Fourth Proportional to 99,850,732.20, 149,776,098.30 and 65,413,355.40

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Solution

The fourth proportional to 99,850,732.20, 149,776,098.30 and 65,413,355.40 is: 98,120,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850,732.20 : 149,776,098.30 = 65,413,355.40 : x
  2. Step 2: Convert to fraction form
    99,850,732.20/149,776,098.30 = 65,413,355.40/x
  3. Step 3: Cross multiply
    99,850,732.20x = 149,776,098.30 × 65,413,355.40
  4. Step 4: Simplify right side
    99,850,732.20x = 9,797,357,148,523,236
  5. Step 5: Solve for x
    x = 9,797,357,148,523,236/99,850,732.20
  6. Step 6: Final answer
    x = 98,120,033.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.