Home / 126,747,006.68-189,793,079.31-87,476,437.10

Finding the Fourth Proportional to 126,747,006.68, 189,793,079.31 and 87,476,437.10

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Solution

The fourth proportional to 126,747,006.68, 189,793,079.31 and 87,476,437.10 is: 130,988,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,747,006.68 : 189,793,079.31 = 87,476,437.10 : x
  2. Step 2: Convert to fraction form
    126,747,006.68/189,793,079.31 = 87,476,437.10/x
  3. Step 3: Cross multiply
    126,747,006.68x = 189,793,079.31 × 87,476,437.10
  4. Step 4: Simplify right side
    126,747,006.68x = 16,602,422,364,276,526
  5. Step 5: Solve for x
    x = 16,602,422,364,276,526/126,747,006.68
  6. Step 6: Final answer
    x = 130,988,674.20

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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.