Home / 218,594,101.80-328,017,123.90-82,377,244.20

Finding the Fourth Proportional to 218,594,101.80, 328,017,123.90 and 82,377,244.20

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Solution

The fourth proportional to 218,594,101.80, 328,017,123.90 and 82,377,244.20 is: 123,613,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,594,101.80 : 328,017,123.90 = 82,377,244.20 : x
  2. Step 2: Convert to fraction form
    218,594,101.80/328,017,123.90 = 82,377,244.20/x
  3. Step 3: Cross multiply
    218,594,101.80x = 328,017,123.90 × 82,377,244.20
  4. Step 4: Simplify right side
    218,594,101.80x = 27,021,146,717,291,956
  5. Step 5: Solve for x
    x = 27,021,146,717,291,956/218,594,101.80
  6. Step 6: Final answer
    x = 123,613,338.58

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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.