Home / 67,062,543.30-100,593,822.73-21,008,001.18

Finding the Fourth Proportional to 67,062,543.30, 100,593,822.73 and 21,008,001.18

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Solution

The fourth proportional to 67,062,543.30, 100,593,822.73 and 21,008,001.18 is: 31,512,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,062,543.30 : 100,593,822.73 = 21,008,001.18 : x
  2. Step 2: Convert to fraction form
    67,062,543.30/100,593,822.73 = 21,008,001.18/x
  3. Step 3: Cross multiply
    67,062,543.30x = 100,593,822.73 × 21,008,001.18
  4. Step 4: Simplify right side
    67,062,543.30x = 2,113,275,146,357,820.75
  5. Step 5: Solve for x
    x = 2,113,275,146,357,820.75/67,062,543.30
  6. Step 6: Final answer
    x = 31,512,004.21

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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.