Home / 86,581,474.60-129,872,211.90-53,702,991.40

Finding the Fourth Proportional to 86,581,474.60, 129,872,211.90 and 53,702,991.40

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Solution

The fourth proportional to 86,581,474.60, 129,872,211.90 and 53,702,991.40 is: 80,554,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581,474.60 : 129,872,211.90 = 53,702,991.40 : x
  2. Step 2: Convert to fraction form
    86,581,474.60/129,872,211.90 = 53,702,991.40/x
  3. Step 3: Cross multiply
    86,581,474.60x = 129,872,211.90 × 53,702,991.40
  4. Step 4: Simplify right side
    86,581,474.60x = 6,974,526,278,764,678
  5. Step 5: Solve for x
    x = 6,974,526,278,764,678/86,581,474.60
  6. Step 6: Final answer
    x = 80,554,487.10

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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.