Home / 126,327,002.40-189,490,503.60-107,832,855.60

Finding the Fourth Proportional to 126,327,002.40, 189,490,503.60 and 107,832,855.60

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Solution

The fourth proportional to 126,327,002.40, 189,490,503.60 and 107,832,855.60 is: 161,749,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327,002.40 : 189,490,503.60 = 107,832,855.60 : x
  2. Step 2: Convert to fraction form
    126,327,002.40/189,490,503.60 = 107,832,855.60/x
  3. Step 3: Cross multiply
    126,327,002.40x = 189,490,503.60 × 107,832,855.60
  4. Step 4: Simplify right side
    126,327,002.40x = 20,433,302,112,270,080
  5. Step 5: Solve for x
    x = 20,433,302,112,270,080/126,327,002.40
  6. Step 6: Final answer
    x = 161,749,283.40

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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.