Home / 52,034,773.20-78,021,905.10-19,689,174.42

Finding the Fourth Proportional to 52,034,773.20, 78,021,905.10 and 19,689,174.42

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Solution

The fourth proportional to 52,034,773.20, 78,021,905.10 and 19,689,174.42 is: 29,522,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,773.20 : 78,021,905.10 = 19,689,174.42 : x
  2. Step 2: Convert to fraction form
    52,034,773.20/78,021,905.10 = 19,689,174.42/x
  3. Step 3: Cross multiply
    52,034,773.20x = 78,021,905.10 × 19,689,174.42
  4. Step 4: Simplify right side
    52,034,773.20x = 1,536,186,898,094,587.50
  5. Step 5: Solve for x
    x = 1,536,186,898,094,587.50/52,034,773.20
  6. Step 6: Final answer
    x = 29,522,313.71

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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.