Home / 87,378,266.40-131,175,226.80-55,030,106.40

Finding the Fourth Proportional to 87,378,266.40, 131,175,226.80 and 55,030,106.40

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Solution

The fourth proportional to 87,378,266.40, 131,175,226.80 and 55,030,106.40 is: 82,613,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378,266.40 : 131,175,226.80 = 55,030,106.40 : x
  2. Step 2: Convert to fraction form
    87,378,266.40/131,175,226.80 = 55,030,106.40/x
  3. Step 3: Cross multiply
    87,378,266.40x = 131,175,226.80 × 55,030,106.40
  4. Step 4: Simplify right side
    87,378,266.40x = 7,218,586,687,848,131
  5. Step 5: Solve for x
    x = 7,218,586,687,848,131/87,378,266.40
  6. Step 6: Final answer
    x = 82,613,068.27

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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.