Home / 86,255,693.60-129,346,215.60-35,120,717.60

Finding the Fourth Proportional to 86,255,693.60, 129,346,215.60 and 35,120,717.60

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Solution

The fourth proportional to 86,255,693.60, 129,346,215.60 and 35,120,717.60 is: 52,665,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,255,693.60 : 129,346,215.60 = 35,120,717.60 : x
  2. Step 2: Convert to fraction form
    86,255,693.60/129,346,215.60 = 35,120,717.60/x
  3. Step 3: Cross multiply
    86,255,693.60x = 129,346,215.60 × 35,120,717.60
  4. Step 4: Simplify right side
    86,255,693.60x = 4,542,731,910,716,315
  5. Step 5: Solve for x
    x = 4,542,731,910,716,315/86,255,693.60
  6. Step 6: Final answer
    x = 52,665,878.87

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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.