Home / 372,245,128.20-558,367,692.30-99,615,895.20

Finding the Fourth Proportional to 372,245,128.20, 558,367,692.30 and 99,615,895.20

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Solution

The fourth proportional to 372,245,128.20, 558,367,692.30 and 99,615,895.20 is: 149,423,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245,128.20 : 558,367,692.30 = 99,615,895.20 : x
  2. Step 2: Convert to fraction form
    372,245,128.20/558,367,692.30 = 99,615,895.20/x
  3. Step 3: Cross multiply
    372,245,128.20x = 558,367,692.30 × 99,615,895.20
  4. Step 4: Simplify right side
    372,245,128.20x = 55,622,297,519,222,640
  5. Step 5: Solve for x
    x = 55,622,297,519,222,640/372,245,128.20
  6. Step 6: Final answer
    x = 149,423,842.80

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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.