Home / 172,488,654.40-258,732,981.60-141,877,652.80

Finding the Fourth Proportional to 172,488,654.40, 258,732,981.60 and 141,877,652.80

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Solution

The fourth proportional to 172,488,654.40, 258,732,981.60 and 141,877,652.80 is: 212,816,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488,654.40 : 258,732,981.60 = 141,877,652.80 : x
  2. Step 2: Convert to fraction form
    172,488,654.40/258,732,981.60 = 141,877,652.80/x
  3. Step 3: Cross multiply
    172,488,654.40x = 258,732,981.60 × 141,877,652.80
  4. Step 4: Simplify right side
    172,488,654.40x = 36,708,428,131,353,592
  5. Step 5: Solve for x
    x = 36,708,428,131,353,592/172,488,654.40
  6. Step 6: Final answer
    x = 212,816,479.20

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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.