Home / 132,335,871.87-198,461,693.36-43,687,936.76

Finding the Fourth Proportional to 132,335,871.87, 198,461,693.36 and 43,687,936.76

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Solution

The fourth proportional to 132,335,871.87, 198,461,693.36 and 43,687,936.76 is: 65,518,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,335,871.87 : 198,461,693.36 = 43,687,936.76 : x
  2. Step 2: Convert to fraction form
    132,335,871.87/198,461,693.36 = 43,687,936.76/x
  3. Step 3: Cross multiply
    132,335,871.87x = 198,461,693.36 × 43,687,936.76
  4. Step 4: Simplify right side
    132,335,871.87x = 8,670,381,908,190,538
  5. Step 5: Solve for x
    x = 8,670,381,908,190,538/132,335,871.87
  6. Step 6: Final answer
    x = 65,518,001.93

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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.