Home / 372,331,070.58-513,820,447.05-205,071,123.78

Finding the Fourth Proportional to 372,331,070.58, 513,820,447.05 and 205,071,123.78

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Solution

The fourth proportional to 372,331,070.58, 513,820,447.05 and 205,071,123.78 is: 283,000,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,331,070.58 : 513,820,447.05 = 205,071,123.78 : x
  2. Step 2: Convert to fraction form
    372,331,070.58/513,820,447.05 = 205,071,123.78/x
  3. Step 3: Cross multiply
    372,331,070.58x = 513,820,447.05 × 205,071,123.78
  4. Step 4: Simplify right side
    372,331,070.58x = 105,369,736,497,685,488
  5. Step 5: Solve for x
    x = 105,369,736,497,685,488/372,331,070.58
  6. Step 6: Final answer
    x = 283,000,116.89

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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.