Home / 232,720,871.28-348,976,257.10-66,686,399.29

Finding the Fourth Proportional to 232,720,871.28, 348,976,257.10 and 66,686,399.29

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Solution

The fourth proportional to 232,720,871.28, 348,976,257.10 and 66,686,399.29 is: 99,999,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,720,871.28 : 348,976,257.10 = 66,686,399.29 : x
  2. Step 2: Convert to fraction form
    232,720,871.28/348,976,257.10 = 66,686,399.29/x
  3. Step 3: Cross multiply
    232,720,871.28x = 348,976,257.10 × 66,686,399.29
  4. Step 4: Simplify right side
    232,720,871.28x = 23,271,970,024,834,892
  5. Step 5: Solve for x
    x = 23,271,970,024,834,892/232,720,871.28
  6. Step 6: Final answer
    x = 99,999,496.81

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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.