Home / 170,003,447.70-255,005,171.55-101,978,999.70

Finding the Fourth Proportional to 170,003,447.70, 255,005,171.55 and 101,978,999.70

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Solution

The fourth proportional to 170,003,447.70, 255,005,171.55 and 101,978,999.70 is: 152,968,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,003,447.70 : 255,005,171.55 = 101,978,999.70 : x
  2. Step 2: Convert to fraction form
    170,003,447.70/255,005,171.55 = 101,978,999.70/x
  3. Step 3: Cross multiply
    170,003,447.70x = 255,005,171.55 × 101,978,999.70
  4. Step 4: Simplify right side
    170,003,447.70x = 26,005,172,312,995,900
  5. Step 5: Solve for x
    x = 26,005,172,312,995,900/170,003,447.70
  6. Step 6: Final answer
    x = 152,968,499.55

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Similar ratio
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1.5x scale

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.