Home / 79,439,820.80-119,159,731.20-49,206,732.80

Finding the Fourth Proportional to 79,439,820.80, 119,159,731.20 and 49,206,732.80

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Solution

The fourth proportional to 79,439,820.80, 119,159,731.20 and 49,206,732.80 is: 73,810,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,820.80 : 119,159,731.20 = 49,206,732.80 : x
  2. Step 2: Convert to fraction form
    79,439,820.80/119,159,731.20 = 49,206,732.80/x
  3. Step 3: Cross multiply
    79,439,820.80x = 119,159,731.20 × 49,206,732.80
  4. Step 4: Simplify right side
    79,439,820.80x = 5,863,461,053,678,223
  5. Step 5: Solve for x
    x = 5,863,461,053,678,223/79,439,820.80
  6. Step 6: Final answer
    x = 73,810,099.20

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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.