Home / 112,623,906-155,420,990.31-61,115,682

Finding the Fourth Proportional to 112,623,906, 155,420,990.31 and 61,115,682

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Solution

The fourth proportional to 112,623,906, 155,420,990.31 and 61,115,682 is: 84,339,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,906 : 155,420,990.31 = 61,115,682 : x
  2. Step 2: Convert to fraction form
    112,623,906/155,420,990.31 = 61,115,682/x
  3. Step 3: Cross multiply
    112,623,906x = 155,420,990.31 × 61,115,682
  4. Step 4: Simplify right side
    112,623,906x = 9,498,659,819,911,042
  5. Step 5: Solve for x
    x = 9,498,659,819,911,042/112,623,906
  6. Step 6: Final answer
    x = 84,339,641.18

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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.