Home / 52,497,690.40-78,750,319.42-20,149,592.98

Finding the Fourth Proportional to 52,497,690.40, 78,750,319.42 and 20,149,592.98

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Solution

The fourth proportional to 52,497,690.40, 78,750,319.42 and 20,149,592.98 is: 30,225,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497,690.40 : 78,750,319.42 = 20,149,592.98 : x
  2. Step 2: Convert to fraction form
    52,497,690.40/78,750,319.42 = 20,149,592.98/x
  3. Step 3: Cross multiply
    52,497,690.40x = 78,750,319.42 × 20,149,592.98
  4. Step 4: Simplify right side
    52,497,690.40x = 1,586,786,883,357,989.75
  5. Step 5: Solve for x
    x = 1,586,786,883,357,989.75/52,497,690.40
  6. Step 6: Final answer
    x = 30,225,841.77

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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.