Home / 189,023,092.20-283,534,638.30-143,673,460.20

Finding the Fourth Proportional to 189,023,092.20, 283,534,638.30 and 143,673,460.20

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Solution

The fourth proportional to 189,023,092.20, 283,534,638.30 and 143,673,460.20 is: 215,510,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023,092.20 : 283,534,638.30 = 143,673,460.20 : x
  2. Step 2: Convert to fraction form
    189,023,092.20/283,534,638.30 = 143,673,460.20/x
  3. Step 3: Cross multiply
    189,023,092.20x = 283,534,638.30 × 143,673,460.20
  4. Step 4: Simplify right side
    189,023,092.20x = 40,736,402,571,116,440
  5. Step 5: Solve for x
    x = 40,736,402,571,116,440/189,023,092.20
  6. Step 6: Final answer
    x = 215,510,190.30

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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.