Home / 108,467,947.80-162,703,246.05-31,792,527.27

Finding the Fourth Proportional to 108,467,947.80, 162,703,246.05 and 31,792,527.27

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Solution

The fourth proportional to 108,467,947.80, 162,703,246.05 and 31,792,527.27 is: 47,689,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467,947.80 : 162,703,246.05 = 31,792,527.27 : x
  2. Step 2: Convert to fraction form
    108,467,947.80/162,703,246.05 = 31,792,527.27/x
  3. Step 3: Cross multiply
    108,467,947.80x = 162,703,246.05 × 31,792,527.27
  4. Step 4: Simplify right side
    108,467,947.80x = 5,172,747,386,962,145
  5. Step 5: Solve for x
    x = 5,172,747,386,962,145/108,467,947.80
  6. Step 6: Final answer
    x = 47,689,179.08

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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.