Home / 86,033,961.60-128,951,409.60-34,890,691.20

Finding the Fourth Proportional to 86,033,961.60, 128,951,409.60 and 34,890,691.20

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Solution

The fourth proportional to 86,033,961.60, 128,951,409.60 and 34,890,691.20 is: 52,295,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033,961.60 : 128,951,409.60 = 34,890,691.20 : x
  2. Step 2: Convert to fraction form
    86,033,961.60/128,951,409.60 = 34,890,691.20/x
  3. Step 3: Cross multiply
    86,033,961.60x = 128,951,409.60 × 34,890,691.20
  4. Step 4: Simplify right side
    86,033,961.60x = 4,499,203,812,158,315.50
  5. Step 5: Solve for x
    x = 4,499,203,812,158,315.50/86,033,961.60
  6. Step 6: Final answer
    x = 52,295,671.71

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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.