Home / 86,016,875.70-129,025,313.55-38,241,131.70

Finding the Fourth Proportional to 86,016,875.70, 129,025,313.55 and 38,241,131.70

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Solution

The fourth proportional to 86,016,875.70, 129,025,313.55 and 38,241,131.70 is: 57,361,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,875.70 : 129,025,313.55 = 38,241,131.70 : x
  2. Step 2: Convert to fraction form
    86,016,875.70/129,025,313.55 = 38,241,131.70/x
  3. Step 3: Cross multiply
    86,016,875.70x = 129,025,313.55 × 38,241,131.70
  4. Step 4: Simplify right side
    86,016,875.70x = 4,934,074,008,099,345
  5. Step 5: Solve for x
    x = 4,934,074,008,099,345/86,016,875.70
  6. Step 6: Final answer
    x = 57,361,697.55

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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.