Home / 71,217,819.40-106,826,729.10-49,676,744.20

Finding the Fourth Proportional to 71,217,819.40, 106,826,729.10 and 49,676,744.20

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Solution

The fourth proportional to 71,217,819.40, 106,826,729.10 and 49,676,744.20 is: 74,515,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,217,819.40 : 106,826,729.10 = 49,676,744.20 : x
  2. Step 2: Convert to fraction form
    71,217,819.40/106,826,729.10 = 49,676,744.20/x
  3. Step 3: Cross multiply
    71,217,819.40x = 106,826,729.10 × 49,676,744.20
  4. Step 4: Simplify right side
    71,217,819.40x = 5,306,804,095,223,396
  5. Step 5: Solve for x
    x = 5,306,804,095,223,396/71,217,819.40
  6. Step 6: Final answer
    x = 74,515,116.30

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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.