Home / 52,488,007.40-78,694,686.30-20,127,405.80

Finding the Fourth Proportional to 52,488,007.40, 78,694,686.30 and 20,127,405.80

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Solution

The fourth proportional to 52,488,007.40, 78,694,686.30 and 20,127,405.80 is: 30,176,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,007.40 : 78,694,686.30 = 20,127,405.80 : x
  2. Step 2: Convert to fraction form
    52,488,007.40/78,694,686.30 = 20,127,405.80/x
  3. Step 3: Cross multiply
    52,488,007.40x = 78,694,686.30 × 20,127,405.80
  4. Step 4: Simplify right side
    52,488,007.40x = 1,583,919,885,463,800.50
  5. Step 5: Solve for x
    x = 1,583,919,885,463,800.50/52,488,007.40
  6. Step 6: Final answer
    x = 30,176,795.88

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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.