Home / 78,878,474.10-108,857,926.98-43,595,521.02

Finding the Fourth Proportional to 78,878,474.10, 108,857,926.98 and 43,595,521.02

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Solution

The fourth proportional to 78,878,474.10, 108,857,926.98 and 43,595,521.02 is: 60,164,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,878,474.10 : 108,857,926.98 = 43,595,521.02 : x
  2. Step 2: Convert to fraction form
    78,878,474.10/108,857,926.98 = 43,595,521.02/x
  3. Step 3: Cross multiply
    78,878,474.10x = 108,857,926.98 × 43,595,521.02
  4. Step 4: Simplify right side
    78,878,474.10x = 4,745,718,043,850,216
  5. Step 5: Solve for x
    x = 4,745,718,043,850,216/78,878,474.10
  6. Step 6: Final answer
    x = 60,164,932.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.