Home / 76,664,624.80-114,996,937.20-47,966,810.80

Finding the Fourth Proportional to 76,664,624.80, 114,996,937.20 and 47,966,810.80

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Solution

The fourth proportional to 76,664,624.80, 114,996,937.20 and 47,966,810.80 is: 71,950,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,624.80 : 114,996,937.20 = 47,966,810.80 : x
  2. Step 2: Convert to fraction form
    76,664,624.80/114,996,937.20 = 47,966,810.80/x
  3. Step 3: Cross multiply
    76,664,624.80x = 114,996,937.20 × 47,966,810.80
  4. Step 4: Simplify right side
    76,664,624.80x = 5,516,036,329,251,882
  5. Step 5: Solve for x
    x = 5,516,036,329,251,882/76,664,624.80
  6. Step 6: Final answer
    x = 71,950,216.20

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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.