Home / 137,215,443.96-189,357,685.20-75,339,790.20

Finding the Fourth Proportional to 137,215,443.96, 189,357,685.20 and 75,339,790.20

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Solution

The fourth proportional to 137,215,443.96, 189,357,685.20 and 75,339,790.20 is: 103,969,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,215,443.96 : 189,357,685.20 = 75,339,790.20 : x
  2. Step 2: Convert to fraction form
    137,215,443.96/189,357,685.20 = 75,339,790.20/x
  3. Step 3: Cross multiply
    137,215,443.96x = 189,357,685.20 × 75,339,790.20
  4. Step 4: Simplify right side
    137,215,443.96x = 14,266,168,275,725,644
  5. Step 5: Solve for x
    x = 14,266,168,275,725,644/137,215,443.96
  6. Step 6: Final answer
    x = 103,969,115.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.