Home / 72,731,566.02-109,094,691.78-21,612,256.23

Finding the Fourth Proportional to 72,731,566.02, 109,094,691.78 and 21,612,256.23

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Solution

The fourth proportional to 72,731,566.02, 109,094,691.78 and 21,612,256.23 is: 32,417,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731,566.02 : 109,094,691.78 = 21,612,256.23 : x
  2. Step 2: Convert to fraction form
    72,731,566.02/109,094,691.78 = 21,612,256.23/x
  3. Step 3: Cross multiply
    72,731,566.02x = 109,094,691.78 × 21,612,256.23
  4. Step 4: Simplify right side
    72,731,566.02x = 2,357,782,432,082,235
  5. Step 5: Solve for x
    x = 2,357,782,432,082,235/72,731,566.02
  6. Step 6: Final answer
    x = 32,417,594.74

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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.