Home / 55,279,347.55-82,919,049.01-18,888,094.70

Finding the Fourth Proportional to 55,279,347.55, 82,919,049.01 and 18,888,094.70

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Solution

The fourth proportional to 55,279,347.55, 82,919,049.01 and 18,888,094.70 is: 28,332,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,279,347.55 : 82,919,049.01 = 18,888,094.70 : x
  2. Step 2: Convert to fraction form
    55,279,347.55/82,919,049.01 = 18,888,094.70/x
  3. Step 3: Cross multiply
    55,279,347.55x = 82,919,049.01 × 18,888,094.70
  4. Step 4: Simplify right side
    55,279,347.55x = 1,566,182,850,556,617.25
  5. Step 5: Solve for x
    x = 1,566,182,850,556,617.25/55,279,347.55
  6. Step 6: Final answer
    x = 28,332,151.52

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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.