Home / 372,245,129.20-558,367,693.80-99,615,896.20

Finding the Fourth Proportional to 372,245,129.20, 558,367,693.80 and 99,615,896.20

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Solution

The fourth proportional to 372,245,129.20, 558,367,693.80 and 99,615,896.20 is: 149,423,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245,129.20 : 558,367,693.80 = 99,615,896.20 : x
  2. Step 2: Convert to fraction form
    372,245,129.20/558,367,693.80 = 99,615,896.20/x
  3. Step 3: Cross multiply
    372,245,129.20x = 558,367,693.80 × 99,615,896.20
  4. Step 4: Simplify right side
    372,245,129.20x = 55,622,298,227,014,184
  5. Step 5: Solve for x
    x = 55,622,298,227,014,184/372,245,129.20
  6. Step 6: Final answer
    x = 149,423,844.30

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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.