Home / 189,023,051.70-283,534,577.55-143,673,419.70

Finding the Fourth Proportional to 189,023,051.70, 283,534,577.55 and 143,673,419.70

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Solution

The fourth proportional to 189,023,051.70, 283,534,577.55 and 143,673,419.70 is: 215,510,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023,051.70 : 283,534,577.55 = 143,673,419.70 : x
  2. Step 2: Convert to fraction form
    189,023,051.70/283,534,577.55 = 143,673,419.70/x
  3. Step 3: Cross multiply
    189,023,051.70x = 283,534,577.55 × 143,673,419.70
  4. Step 4: Simplify right side
    189,023,051.70x = 40,736,382,359,803,344
  5. Step 5: Solve for x
    x = 40,736,382,359,803,344/189,023,051.70
  6. Step 6: Final answer
    x = 215,510,129.55

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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.