Home / 266,532,757.20-400,035,331.80-157,221,248.40

Finding the Fourth Proportional to 266,532,757.20, 400,035,331.80 and 157,221,248.40

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Solution

The fourth proportional to 266,532,757.20, 400,035,331.80 and 157,221,248.40 is: 235,971,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,532,757.20 : 400,035,331.80 = 157,221,248.40 : x
  2. Step 2: Convert to fraction form
    266,532,757.20/400,035,331.80 = 157,221,248.40/x
  3. Step 3: Cross multiply
    266,532,757.20x = 400,035,331.80 × 157,221,248.40
  4. Step 4: Simplify right side
    266,532,757.20x = 62,894,054,269,704,224
  5. Step 5: Solve for x
    x = 62,894,054,269,704,224/266,532,757.20
  6. Step 6: Final answer
    x = 235,971,198.93

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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.