Home / 86,034,401.60-129,036,856.80-32,153,979.20

Finding the Fourth Proportional to 86,034,401.60, 129,036,856.80 and 32,153,979.20

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Solution

The fourth proportional to 86,034,401.60, 129,036,856.80 and 32,153,979.20 is: 48,225,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,034,401.60 : 129,036,856.80 = 32,153,979.20 : x
  2. Step 2: Convert to fraction form
    86,034,401.60/129,036,856.80 = 32,153,979.20/x
  3. Step 3: Cross multiply
    86,034,401.60x = 129,036,856.80 × 32,153,979.20
  4. Step 4: Simplify right side
    86,034,401.60x = 4,149,048,409,580,578.50
  5. Step 5: Solve for x
    x = 4,149,048,409,580,578.50/86,034,401.60
  6. Step 6: Final answer
    x = 48,225,457.87

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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.