Home / 86,033,642.29-129,050,341.32-39,950,311.88

Finding the Fourth Proportional to 86,033,642.29, 129,050,341.32 and 39,950,311.88

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Solution

The fourth proportional to 86,033,642.29, 129,050,341.32 and 39,950,311.88 is: 59,925,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033,642.29 : 129,050,341.32 = 39,950,311.88 : x
  2. Step 2: Convert to fraction form
    86,033,642.29/129,050,341.32 = 39,950,311.88/x
  3. Step 3: Cross multiply
    86,033,642.29x = 129,050,341.32 × 39,950,311.88
  4. Step 4: Simplify right side
    86,033,642.29x = 5,155,601,383,954,451
  5. Step 5: Solve for x
    x = 5,155,601,383,954,451/86,033,642.29
  6. Step 6: Final answer
    x = 59,925,411.12

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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.