Home / 106,891,237.60-160,336,856.40-91,585,736.80

Finding the Fourth Proportional to 106,891,237.60, 160,336,856.40 and 91,585,736.80

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Solution

The fourth proportional to 106,891,237.60, 160,336,856.40 and 91,585,736.80 is: 137,378,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,891,237.60 : 160,336,856.40 = 91,585,736.80 : x
  2. Step 2: Convert to fraction form
    106,891,237.60/160,336,856.40 = 91,585,736.80/x
  3. Step 3: Cross multiply
    106,891,237.60x = 160,336,856.40 × 91,585,736.80
  4. Step 4: Simplify right side
    106,891,237.60x = 14,684,569,129,589,796
  5. Step 5: Solve for x
    x = 14,684,569,129,589,796/106,891,237.60
  6. Step 6: Final answer
    x = 137,378,605.20

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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.