Home / 126,358,823.18-189,538,238.23-34,242,557.92

Finding the Fourth Proportional to 126,358,823.18, 189,538,238.23 and 34,242,557.92

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Solution

The fourth proportional to 126,358,823.18, 189,538,238.23 and 34,242,557.92 is: 51,363,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358,823.18 : 189,538,238.23 = 34,242,557.92 : x
  2. Step 2: Convert to fraction form
    126,358,823.18/189,538,238.23 = 34,242,557.92/x
  3. Step 3: Cross multiply
    126,358,823.18x = 189,538,238.23 × 34,242,557.92
  4. Step 4: Simplify right side
    126,358,823.18x = 6,490,274,100,086,080
  5. Step 5: Solve for x
    x = 6,490,274,100,086,080/126,358,823.18
  6. Step 6: Final answer
    x = 51,363,837.81

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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.