Home / 52,034,768.96-78,021,898.72-19,689,170.18

Finding the Fourth Proportional to 52,034,768.96, 78,021,898.72 and 19,689,170.18

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Solution

The fourth proportional to 52,034,768.96, 78,021,898.72 and 19,689,170.18 is: 29,522,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,768.96 : 78,021,898.72 = 19,689,170.18 : x
  2. Step 2: Convert to fraction form
    52,034,768.96/78,021,898.72 = 19,689,170.18/x
  3. Step 3: Cross multiply
    52,034,768.96x = 78,021,898.72 × 19,689,170.18
  4. Step 4: Simplify right side
    52,034,768.96x = 1,536,186,441,225,471.75
  5. Step 5: Solve for x
    x = 1,536,186,441,225,471.75/52,034,768.96
  6. Step 6: Final answer
    x = 29,522,307.34

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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.