Home / 126,350,838.33-189,400,704.56-87,931,639.84

Finding the Fourth Proportional to 126,350,838.33, 189,400,704.56 and 87,931,639.84

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Solution

The fourth proportional to 126,350,838.33, 189,400,704.56 and 87,931,639.84 is: 131,810,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,350,838.33 : 189,400,704.56 = 87,931,639.84 : x
  2. Step 2: Convert to fraction form
    126,350,838.33/189,400,704.56 = 87,931,639.84/x
  3. Step 3: Cross multiply
    126,350,838.33x = 189,400,704.56 × 87,931,639.84
  4. Step 4: Simplify right side
    126,350,838.33x = 16,654,314,539,610,648
  5. Step 5: Solve for x
    x = 16,654,314,539,610,648/126,350,838.33
  6. Step 6: Final answer
    x = 131,810,083.41

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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.