Home / 288,187,122.96-397,693,482.16-156,027,062.88

Finding the Fourth Proportional to 288,187,122.96, 397,693,482.16 and 156,027,062.88

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Solution

The fourth proportional to 288,187,122.96, 397,693,482.16 and 156,027,062.88 is: 215,314,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,187,122.96 : 397,693,482.16 = 156,027,062.88 : x
  2. Step 2: Convert to fraction form
    288,187,122.96/397,693,482.16 = 156,027,062.88/x
  3. Step 3: Cross multiply
    288,187,122.96x = 397,693,482.16 × 156,027,062.88
  4. Step 4: Simplify right side
    288,187,122.96x = 62,050,945,947,944,480
  5. Step 5: Solve for x
    x = 62,050,945,947,944,480/288,187,122.96
  6. Step 6: Final answer
    x = 215,314,776.42

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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.