Home / 119,987,139.42-179,990,040.87-39,216,272.22

Finding the Fourth Proportional to 119,987,139.42, 179,990,040.87 and 39,216,272.22

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Solution

The fourth proportional to 119,987,139.42, 179,990,040.87 and 39,216,272.22 is: 58,827,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,987,139.42 : 179,990,040.87 = 39,216,272.22 : x
  2. Step 2: Convert to fraction form
    119,987,139.42/179,990,040.87 = 39,216,272.22/x
  3. Step 3: Cross multiply
    119,987,139.42x = 179,990,040.87 × 39,216,272.22
  4. Step 4: Simplify right side
    119,987,139.42x = 7,058,538,439,646,846
  5. Step 5: Solve for x
    x = 7,058,538,439,646,846/119,987,139.42
  6. Step 6: Final answer
    x = 58,827,458.29

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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.