Home / 78,564,151.20-117,846,226.80-44,551,927.20

Finding the Fourth Proportional to 78,564,151.20, 117,846,226.80 and 44,551,927.20

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Solution

The fourth proportional to 78,564,151.20, 117,846,226.80 and 44,551,927.20 is: 66,827,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,564,151.20 : 117,846,226.80 = 44,551,927.20 : x
  2. Step 2: Convert to fraction form
    78,564,151.20/117,846,226.80 = 44,551,927.20/x
  3. Step 3: Cross multiply
    78,564,151.20x = 117,846,226.80 × 44,551,927.20
  4. Step 4: Simplify right side
    78,564,151.20x = 5,250,276,517,188,289
  5. Step 5: Solve for x
    x = 5,250,276,517,188,289/78,564,151.20
  6. Step 6: Final answer
    x = 66,827,890.80

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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.