Home / 78,454,144.28-108,267,715.53-43,176,011.24

Finding the Fourth Proportional to 78,454,144.28, 108,267,715.53 and 43,176,011.24

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Solution

The fourth proportional to 78,454,144.28, 108,267,715.53 and 43,176,011.24 is: 59,583,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,454,144.28 : 108,267,715.53 = 43,176,011.24 : x
  2. Step 2: Convert to fraction form
    78,454,144.28/108,267,715.53 = 43,176,011.24/x
  3. Step 3: Cross multiply
    78,454,144.28x = 108,267,715.53 × 43,176,011.24
  4. Step 4: Simplify right side
    78,454,144.28x = 4,674,568,102,923,072
  5. Step 5: Solve for x
    x = 4,674,568,102,923,072/78,454,144.28
  6. Step 6: Final answer
    x = 59,583,443.88

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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.