Home / 257,453,692.60-386,180,538.90-148,614,575.80

Finding the Fourth Proportional to 257,453,692.60, 386,180,538.90 and 148,614,575.80

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Solution

The fourth proportional to 257,453,692.60, 386,180,538.90 and 148,614,575.80 is: 222,921,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,453,692.60 : 386,180,538.90 = 148,614,575.80 : x
  2. Step 2: Convert to fraction form
    257,453,692.60/386,180,538.90 = 148,614,575.80/x
  3. Step 3: Cross multiply
    257,453,692.60x = 386,180,538.90 × 148,614,575.80
  4. Step 4: Simplify right side
    257,453,692.60x = 57,392,056,970,838,896
  5. Step 5: Solve for x
    x = 57,392,056,970,838,896/257,453,692.60
  6. Step 6: Final answer
    x = 222,921,863.70

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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.