Home / 126,017,772.61-173,788,955.50-86,382,902.83

Finding the Fourth Proportional to 126,017,772.61, 173,788,955.50 and 86,382,902.83

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Solution

The fourth proportional to 126,017,772.61, 173,788,955.50 and 86,382,902.83 is: 119,129,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017,772.61 : 173,788,955.50 = 86,382,902.83 : x
  2. Step 2: Convert to fraction form
    126,017,772.61/173,788,955.50 = 86,382,902.83/x
  3. Step 3: Cross multiply
    126,017,772.61x = 173,788,955.50 × 86,382,902.83
  4. Step 4: Simplify right side
    126,017,772.61x = 15,012,394,455,883,694
  5. Step 5: Solve for x
    x = 15,012,394,455,883,694/126,017,772.61
  6. Step 6: Final answer
    x = 119,129,184.28

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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.