Home / 72,731,564.16-109,094,689.04-21,612,254.48

Finding the Fourth Proportional to 72,731,564.16, 109,094,689.04 and 21,612,254.48

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Solution

The fourth proportional to 72,731,564.16, 109,094,689.04 and 21,612,254.48 is: 32,417,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731,564.16 : 109,094,689.04 = 21,612,254.48 : x
  2. Step 2: Convert to fraction form
    72,731,564.16/109,094,689.04 = 21,612,254.48/x
  3. Step 3: Cross multiply
    72,731,564.16x = 109,094,689.04 × 21,612,254.48
  4. Step 4: Simplify right side
    72,731,564.16x = 2,357,782,181,948,947
  5. Step 5: Solve for x
    x = 2,357,782,181,948,947/72,731,564.16
  6. Step 6: Final answer
    x = 32,417,592.13

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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.