Home / 318,952,001.40-478,651,950.90-137,329,524.60

Finding the Fourth Proportional to 318,952,001.40, 478,651,950.90 and 137,329,524.60

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Solution

The fourth proportional to 318,952,001.40, 478,651,950.90 and 137,329,524.60 is: 206,090,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,952,001.40 : 478,651,950.90 = 137,329,524.60 : x
  2. Step 2: Convert to fraction form
    318,952,001.40/478,651,950.90 = 137,329,524.60/x
  3. Step 3: Cross multiply
    318,952,001.40x = 478,651,950.90 × 137,329,524.60
  4. Step 4: Simplify right side
    318,952,001.40x = 65,733,044,865,959,536
  5. Step 5: Solve for x
    x = 65,733,044,865,959,536/318,952,001.40
  6. Step 6: Final answer
    x = 206,090,711.38

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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.