Home / 78,040,623.65-107,702,674.13-43,244,228.93

Finding the Fourth Proportional to 78,040,623.65, 107,702,674.13 and 43,244,228.93

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Solution

The fourth proportional to 78,040,623.65, 107,702,674.13 and 43,244,228.93 is: 59,680,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,623.65 : 107,702,674.13 = 43,244,228.93 : x
  2. Step 2: Convert to fraction form
    78,040,623.65/107,702,674.13 = 43,244,228.93/x
  3. Step 3: Cross multiply
    78,040,623.65x = 107,702,674.13 × 43,244,228.93
  4. Step 4: Simplify right side
    78,040,623.65x = 4,657,519,096,234,687
  5. Step 5: Solve for x
    x = 4,657,519,096,234,687/78,040,623.65
  6. Step 6: Final answer
    x = 59,680,700.62

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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.