Home / 125,247,273.72-172,228,326.38-108,698,668.10

Finding the Fourth Proportional to 125,247,273.72, 172,228,326.38 and 108,698,668.10

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Solution

The fourth proportional to 125,247,273.72, 172,228,326.38 and 108,698,668.10 is: 149,472,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,247,273.72 : 172,228,326.38 = 108,698,668.10 : x
  2. Step 2: Convert to fraction form
    125,247,273.72/172,228,326.38 = 108,698,668.10/x
  3. Step 3: Cross multiply
    125,247,273.72x = 172,228,326.38 × 108,698,668.10
  4. Step 4: Simplify right side
    125,247,273.72x = 18,720,989,686,857,820
  5. Step 5: Solve for x
    x = 18,720,989,686,857,820/125,247,273.72
  6. Step 6: Final answer
    x = 149,472,233.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.