Home / 253,235,764.40-379,853,646.60-149,771,418.80

Finding the Fourth Proportional to 253,235,764.40, 379,853,646.60 and 149,771,418.80

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Solution

The fourth proportional to 253,235,764.40, 379,853,646.60 and 149,771,418.80 is: 224,657,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,235,764.40 : 379,853,646.60 = 149,771,418.80 : x
  2. Step 2: Convert to fraction form
    253,235,764.40/379,853,646.60 = 149,771,418.80/x
  3. Step 3: Cross multiply
    253,235,764.40x = 379,853,646.60 × 149,771,418.80
  4. Step 4: Simplify right side
    253,235,764.40x = 56,891,219,587,635,808
  5. Step 5: Solve for x
    x = 56,891,219,587,635,808/253,235,764.40
  6. Step 6: Final answer
    x = 224,657,128.20

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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.