Home / 126,153,886.80-189,230,830.20-113,388,805.20

Finding the Fourth Proportional to 126,153,886.80, 189,230,830.20 and 113,388,805.20

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Solution

The fourth proportional to 126,153,886.80, 189,230,830.20 and 113,388,805.20 is: 170,083,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,153,886.80 : 189,230,830.20 = 113,388,805.20 : x
  2. Step 2: Convert to fraction form
    126,153,886.80/189,230,830.20 = 113,388,805.20/x
  3. Step 3: Cross multiply
    126,153,886.80x = 189,230,830.20 × 113,388,805.20
  4. Step 4: Simplify right side
    126,153,886.80x = 21,456,657,743,382,076
  5. Step 5: Solve for x
    x = 21,456,657,743,382,076/126,153,886.80
  6. Step 6: Final answer
    x = 170,083,207.80

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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.