Home / 292,739,229.88-439,242,939-126,793,490.80

Finding the Fourth Proportional to 292,739,229.88, 439,242,939 and 126,793,490.80

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Solution

The fourth proportional to 292,739,229.88, 439,242,939 and 126,793,490.80 is: 190,248,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,739,229.88 : 439,242,939 = 126,793,490.80 : x
  2. Step 2: Convert to fraction form
    292,739,229.88/439,242,939 = 126,793,490.80/x
  3. Step 3: Cross multiply
    292,739,229.88x = 439,242,939 × 126,793,490.80
  4. Step 4: Simplify right side
    292,739,229.88x = 55,693,145,545,061,456
  5. Step 5: Solve for x
    x = 55,693,145,545,061,456/292,739,229.88
  6. Step 6: Final answer
    x = 190,248,316.11

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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.