Home / 65,010,713.92-89,723,925.16-40,238,846.80

Finding the Fourth Proportional to 65,010,713.92, 89,723,925.16 and 40,238,846.80

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Solution

The fourth proportional to 65,010,713.92, 89,723,925.16 and 40,238,846.80 is: 55,535,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,010,713.92 : 89,723,925.16 = 40,238,846.80 : x
  2. Step 2: Convert to fraction form
    65,010,713.92/89,723,925.16 = 40,238,846.80/x
  3. Step 3: Cross multiply
    65,010,713.92x = 89,723,925.16 × 40,238,846.80
  4. Step 4: Simplify right side
    65,010,713.92x = 3,610,387,278,807,905
  5. Step 5: Solve for x
    x = 3,610,387,278,807,905/65,010,713.92
  6. Step 6: Final answer
    x = 55,535,265.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.