Home / 86,033,640.29-129,050,338.32-39,950,309.88

Finding the Fourth Proportional to 86,033,640.29, 129,050,338.32 and 39,950,309.88

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Solution

The fourth proportional to 86,033,640.29, 129,050,338.32 and 39,950,309.88 is: 59,925,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033,640.29 : 129,050,338.32 = 39,950,309.88 : x
  2. Step 2: Convert to fraction form
    86,033,640.29/129,050,338.32 = 39,950,309.88/x
  3. Step 3: Cross multiply
    86,033,640.29x = 129,050,338.32 × 39,950,309.88
  4. Step 4: Simplify right side
    86,033,640.29x = 5,155,601,006,002,839
  5. Step 5: Solve for x
    x = 5,155,601,006,002,839/86,033,640.29
  6. Step 6: Final answer
    x = 59,925,408.12

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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.