Home / 71,057,200.40-106,585,800.60-70,100,606.60

Finding the Fourth Proportional to 71,057,200.40, 106,585,800.60 and 70,100,606.60

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Solution

The fourth proportional to 71,057,200.40, 106,585,800.60 and 70,100,606.60 is: 105,150,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057,200.40 : 106,585,800.60 = 70,100,606.60 : x
  2. Step 2: Convert to fraction form
    71,057,200.40/106,585,800.60 = 70,100,606.60/x
  3. Step 3: Cross multiply
    71,057,200.40x = 106,585,800.60 × 70,100,606.60
  4. Step 4: Simplify right side
    71,057,200.40x = 7,471,729,277,006,643
  5. Step 5: Solve for x
    x = 7,471,729,277,006,643/71,057,200.40
  6. Step 6: Final answer
    x = 105,150,909.90

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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.