Home / 52,461,123.60-78,691,685.40-18,378,040.80

Finding the Fourth Proportional to 52,461,123.60, 78,691,685.40 and 18,378,040.80

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Solution

The fourth proportional to 52,461,123.60, 78,691,685.40 and 18,378,040.80 is: 27,567,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,461,123.60 : 78,691,685.40 = 18,378,040.80 : x
  2. Step 2: Convert to fraction form
    52,461,123.60/78,691,685.40 = 18,378,040.80/x
  3. Step 3: Cross multiply
    52,461,123.60x = 78,691,685.40 × 18,378,040.80
  4. Step 4: Simplify right side
    52,461,123.60x = 1,446,199,004,901,964.50
  5. Step 5: Solve for x
    x = 1,446,199,004,901,964.50/52,461,123.60
  6. Step 6: Final answer
    x = 27,567,061.20

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Similar ratio
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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.