Home / 132,129,816.98-198,196,718.40-45,870,963.98

Finding the Fourth Proportional to 132,129,816.98, 198,196,718.40 and 45,870,963.98

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Solution

The fourth proportional to 132,129,816.98, 198,196,718.40 and 45,870,963.98 is: 68,807,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129,816.98 : 198,196,718.40 = 45,870,963.98 : x
  2. Step 2: Convert to fraction form
    132,129,816.98/198,196,718.40 = 45,870,963.98/x
  3. Step 3: Cross multiply
    132,129,816.98x = 198,196,718.40 × 45,870,963.98
  4. Step 4: Simplify right side
    132,129,816.98x = 9,091,474,530,680,602
  5. Step 5: Solve for x
    x = 9,091,474,530,680,602/132,129,816.98
  6. Step 6: Final answer
    x = 68,807,137.85

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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.