Home / 76,664,793.30-114,997,189.95-47,966,979.30

Finding the Fourth Proportional to 76,664,793.30, 114,997,189.95 and 47,966,979.30

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Solution

The fourth proportional to 76,664,793.30, 114,997,189.95 and 47,966,979.30 is: 71,950,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,793.30 : 114,997,189.95 = 47,966,979.30 : x
  2. Step 2: Convert to fraction form
    76,664,793.30/114,997,189.95 = 47,966,979.30/x
  3. Step 3: Cross multiply
    76,664,793.30x = 114,997,189.95 × 47,966,979.30
  4. Step 4: Simplify right side
    76,664,793.30x = 5,516,067,829,889,818
  5. Step 5: Solve for x
    x = 5,516,067,829,889,818/76,664,793.30
  6. Step 6: Final answer
    x = 71,950,468.95

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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.