Home / 266,286,335.40-399,177,560.70-157,195,276.20

Finding the Fourth Proportional to 266,286,335.40, 399,177,560.70 and 157,195,276.20

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Solution

The fourth proportional to 266,286,335.40, 399,177,560.70 and 157,195,276.20 is: 235,644,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,286,335.40 : 399,177,560.70 = 157,195,276.20 : x
  2. Step 2: Convert to fraction form
    266,286,335.40/399,177,560.70 = 157,195,276.20/x
  3. Step 3: Cross multiply
    266,286,335.40x = 399,177,560.70 × 157,195,276.20
  4. Step 4: Simplify right side
    266,286,335.40x = 62,748,826,907,078,760
  5. Step 5: Solve for x
    x = 62,748,826,907,078,760/266,286,335.40
  6. Step 6: Final answer
    x = 235,644,186.60

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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.