Home / 286,654,438.10-429,981,657.15-157,212,031.70

Finding the Fourth Proportional to 286,654,438.10, 429,981,657.15 and 157,212,031.70

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Solution

The fourth proportional to 286,654,438.10, 429,981,657.15 and 157,212,031.70 is: 235,818,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,654,438.10 : 429,981,657.15 = 157,212,031.70 : x
  2. Step 2: Convert to fraction form
    286,654,438.10/429,981,657.15 = 157,212,031.70/x
  3. Step 3: Cross multiply
    286,654,438.10x = 429,981,657.15 × 157,212,031.70
  4. Step 4: Simplify right side
    286,654,438.10x = 67,598,289,914,284,320
  5. Step 5: Solve for x
    x = 67,598,289,914,284,320/286,654,438.10
  6. Step 6: Final answer
    x = 235,818,047.55

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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.