Home / 71,668,608.94-106,979,705.39-61,498,821.13

Finding the Fourth Proportional to 71,668,608.94, 106,979,705.39 and 61,498,821.13

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Solution

The fourth proportional to 71,668,608.94, 106,979,705.39 and 61,498,821.13 is: 91,799,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668,608.94 : 106,979,705.39 = 61,498,821.13 : x
  2. Step 2: Convert to fraction form
    71,668,608.94/106,979,705.39 = 61,498,821.13/x
  3. Step 3: Cross multiply
    71,668,608.94x = 106,979,705.39 × 61,498,821.13
  4. Step 4: Simplify right side
    71,668,608.94x = 6,579,125,766,319,707
  5. Step 5: Solve for x
    x = 6,579,125,766,319,707/71,668,608.94
  6. Step 6: Final answer
    x = 91,799,266.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.