Home / 67,219,940.30-100,745,929.65-49,248,049.10

Finding the Fourth Proportional to 67,219,940.30, 100,745,929.65 and 49,248,049.10

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Solution

The fourth proportional to 67,219,940.30, 100,745,929.65 and 49,248,049.10 is: 73,810,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,219,940.30 : 100,745,929.65 = 49,248,049.10 : x
  2. Step 2: Convert to fraction form
    67,219,940.30/100,745,929.65 = 49,248,049.10/x
  3. Step 3: Cross multiply
    67,219,940.30x = 100,745,929.65 × 49,248,049.10
  4. Step 4: Simplify right side
    67,219,940.30x = 4,961,540,490,028,346
  5. Step 5: Solve for x
    x = 4,961,540,490,028,346/67,219,940.30
  6. Step 6: Final answer
    x = 73,810,545.92

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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.