Home / 126,387,002.70-189,580,504.05-89,918,340.30

Finding the Fourth Proportional to 126,387,002.70, 189,580,504.05 and 89,918,340.30

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Solution

The fourth proportional to 126,387,002.70, 189,580,504.05 and 89,918,340.30 is: 134,877,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,387,002.70 : 189,580,504.05 = 89,918,340.30 : x
  2. Step 2: Convert to fraction form
    126,387,002.70/189,580,504.05 = 89,918,340.30/x
  3. Step 3: Cross multiply
    126,387,002.70x = 189,580,504.05 × 89,918,340.30
  4. Step 4: Simplify right side
    126,387,002.70x = 17,046,764,277,413,428
  5. Step 5: Solve for x
    x = 17,046,764,277,413,428/126,387,002.70
  6. Step 6: Final answer
    x = 134,877,510.45

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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.