Home / 218,534,008.96-301,573,289.68-119,412,578.80

Finding the Fourth Proportional to 218,534,008.96, 301,573,289.68 and 119,412,578.80

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Solution

The fourth proportional to 218,534,008.96, 301,573,289.68 and 119,412,578.80 is: 164,787,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,534,008.96 : 301,573,289.68 = 119,412,578.80 : x
  2. Step 2: Convert to fraction form
    218,534,008.96/301,573,289.68 = 119,412,578.80/x
  3. Step 3: Cross multiply
    218,534,008.96x = 301,573,289.68 × 119,412,578.80
  4. Step 4: Simplify right side
    218,534,008.96x = 36,011,644,217,888,228
  5. Step 5: Solve for x
    x = 36,011,644,217,888,228/218,534,008.96
  6. Step 6: Final answer
    x = 164,787,368.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.