Home / 372,148,520.16-558,222,743.52-99,512,201.28

Finding the Fourth Proportional to 372,148,520.16, 558,222,743.52 and 99,512,201.28

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Solution

The fourth proportional to 372,148,520.16, 558,222,743.52 and 99,512,201.28 is: 149,268,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148,520.16 : 558,222,743.52 = 99,512,201.28 : x
  2. Step 2: Convert to fraction form
    372,148,520.16/558,222,743.52 = 99,512,201.28/x
  3. Step 3: Cross multiply
    372,148,520.16x = 558,222,743.52 × 99,512,201.28
  4. Step 4: Simplify right side
    372,148,520.16x = 55,549,974,012,236,056
  5. Step 5: Solve for x
    x = 55,549,974,012,236,056/372,148,520.16
  6. Step 6: Final answer
    x = 149,268,292.10

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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.