Home / 77,472,023.10-116,208,034.65-65,378,787.90

Finding the Fourth Proportional to 77,472,023.10, 116,208,034.65 and 65,378,787.90

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Solution

The fourth proportional to 77,472,023.10, 116,208,034.65 and 65,378,787.90 is: 98,068,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,472,023.10 : 116,208,034.65 = 65,378,787.90 : x
  2. Step 2: Convert to fraction form
    77,472,023.10/116,208,034.65 = 65,378,787.90/x
  3. Step 3: Cross multiply
    77,472,023.10x = 116,208,034.65 × 65,378,787.90
  4. Step 4: Simplify right side
    77,472,023.10x = 7,597,540,449,658,201
  5. Step 5: Solve for x
    x = 7,597,540,449,658,201/77,472,023.10
  6. Step 6: Final answer
    x = 98,068,181.85

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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.