Home / 72,731,565.02-109,094,690.28-21,612,255.23

Finding the Fourth Proportional to 72,731,565.02, 109,094,690.28 and 21,612,255.23

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Solution

The fourth proportional to 72,731,565.02, 109,094,690.28 and 21,612,255.23 is: 32,417,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731,565.02 : 109,094,690.28 = 21,612,255.23 : x
  2. Step 2: Convert to fraction form
    72,731,565.02/109,094,690.28 = 21,612,255.23/x
  3. Step 3: Cross multiply
    72,731,565.02x = 109,094,690.28 × 21,612,255.23
  4. Step 4: Simplify right side
    72,731,565.02x = 2,357,782,290,023,687
  5. Step 5: Solve for x
    x = 2,357,782,290,023,687/72,731,565.02
  6. Step 6: Final answer
    x = 32,417,593.24

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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.