Home / 86,016,327.60-129,024,491.40-29,282,631.60

Finding the Fourth Proportional to 86,016,327.60, 129,024,491.40 and 29,282,631.60

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Solution

The fourth proportional to 86,016,327.60, 129,024,491.40 and 29,282,631.60 is: 43,923,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,327.60 : 129,024,491.40 = 29,282,631.60 : x
  2. Step 2: Convert to fraction form
    86,016,327.60/129,024,491.40 = 29,282,631.60/x
  3. Step 3: Cross multiply
    86,016,327.60x = 129,024,491.40 × 29,282,631.60
  4. Step 4: Simplify right side
    86,016,327.60x = 3,778,176,649,043,568.50
  5. Step 5: Solve for x
    x = 3,778,176,649,043,568.50/86,016,327.60
  6. Step 6: Final answer
    x = 43,923,947.40

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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.