Home / 71,057,285.40-106,585,928.10-70,100,691.60

Finding the Fourth Proportional to 71,057,285.40, 106,585,928.10 and 70,100,691.60

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Solution

The fourth proportional to 71,057,285.40, 106,585,928.10 and 70,100,691.60 is: 105,151,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057,285.40 : 106,585,928.10 = 70,100,691.60 : x
  2. Step 2: Convert to fraction form
    71,057,285.40/106,585,928.10 = 70,100,691.60/x
  3. Step 3: Cross multiply
    71,057,285.40x = 106,585,928.10 × 70,100,691.60
  4. Step 4: Simplify right side
    71,057,285.40x = 7,471,747,274,637,873
  5. Step 5: Solve for x
    x = 7,471,747,274,637,873/71,057,285.40
  6. Step 6: Final answer
    x = 105,151,037.40

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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.