Home / 79,608,962.91-119,458,949.01-43,220,311.91

Finding the Fourth Proportional to 79,608,962.91, 119,458,949.01 and 43,220,311.91

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Solution

The fourth proportional to 79,608,962.91, 119,458,949.01 and 43,220,311.91 is: 64,855,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608,962.91 : 119,458,949.01 = 43,220,311.91 : x
  2. Step 2: Convert to fraction form
    79,608,962.91/119,458,949.01 = 43,220,311.91/x
  3. Step 3: Cross multiply
    79,608,962.91x = 119,458,949.01 × 43,220,311.91
  4. Step 4: Simplify right side
    79,608,962.91x = 5,163,053,036,652,986
  5. Step 5: Solve for x
    x = 5,163,053,036,652,986/79,608,962.91
  6. Step 6: Final answer
    x = 64,855,172.68

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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.