Home / 79,439,816.80-119,159,725.20-49,206,728.80

Finding the Fourth Proportional to 79,439,816.80, 119,159,725.20 and 49,206,728.80

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Solution

The fourth proportional to 79,439,816.80, 119,159,725.20 and 49,206,728.80 is: 73,810,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,816.80 : 119,159,725.20 = 49,206,728.80 : x
  2. Step 2: Convert to fraction form
    79,439,816.80/119,159,725.20 = 49,206,728.80/x
  3. Step 3: Cross multiply
    79,439,816.80x = 119,159,725.20 × 49,206,728.80
  4. Step 4: Simplify right side
    79,439,816.80x = 5,863,460,281,798,926
  5. Step 5: Solve for x
    x = 5,863,460,281,798,926/79,439,816.80
  6. Step 6: Final answer
    x = 73,810,093.20

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Similar ratio
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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.