Home / 86,581,403.10-129,872,104.65-53,702,919.90

Finding the Fourth Proportional to 86,581,403.10, 129,872,104.65 and 53,702,919.90

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Solution

The fourth proportional to 86,581,403.10, 129,872,104.65 and 53,702,919.90 is: 80,554,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581,403.10 : 129,872,104.65 = 53,702,919.90 : x
  2. Step 2: Convert to fraction form
    86,581,403.10/129,872,104.65 = 53,702,919.90/x
  3. Step 3: Cross multiply
    86,581,403.10x = 129,872,104.65 × 53,702,919.90
  4. Step 4: Simplify right side
    86,581,403.10x = 6,974,511,233,263,368
  5. Step 5: Solve for x
    x = 6,974,511,233,263,368/86,581,403.10
  6. Step 6: Final answer
    x = 80,554,379.85

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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.