Home / 106,891,285.60-160,336,928.40-91,585,784.80

Finding the Fourth Proportional to 106,891,285.60, 160,336,928.40 and 91,585,784.80

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Solution

The fourth proportional to 106,891,285.60, 160,336,928.40 and 91,585,784.80 is: 137,378,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,891,285.60 : 160,336,928.40 = 91,585,784.80 : x
  2. Step 2: Convert to fraction form
    106,891,285.60/160,336,928.40 = 91,585,784.80/x
  3. Step 3: Cross multiply
    106,891,285.60x = 160,336,928.40 × 91,585,784.80
  4. Step 4: Simplify right side
    106,891,285.60x = 14,684,583,419,935,408
  5. Step 5: Solve for x
    x = 14,684,583,419,935,408/106,891,285.60
  6. Step 6: Final answer
    x = 137,378,677.20

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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.