Home / 221,872,607.97-332,161,326.68-129,473,199.33

Finding the Fourth Proportional to 221,872,607.97, 332,161,326.68 and 129,473,199.33

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Solution

The fourth proportional to 221,872,607.97, 332,161,326.68 and 129,473,199.33 is: 193,831,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,872,607.97 : 332,161,326.68 = 129,473,199.33 : x
  2. Step 2: Convert to fraction form
    221,872,607.97/332,161,326.68 = 129,473,199.33/x
  3. Step 3: Cross multiply
    221,872,607.97x = 332,161,326.68 × 129,473,199.33
  4. Step 4: Simplify right side
    221,872,607.97x = 43,005,989,658,309,520
  5. Step 5: Solve for x
    x = 43,005,989,658,309,520/221,872,607.97
  6. Step 6: Final answer
    x = 193,831,902.24

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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.