Home / 113,724,147.60-170,586,221.40-75,428,902.80

Finding the Fourth Proportional to 113,724,147.60, 170,586,221.40 and 75,428,902.80

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Solution

The fourth proportional to 113,724,147.60, 170,586,221.40 and 75,428,902.80 is: 113,143,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,724,147.60 : 170,586,221.40 = 75,428,902.80 : x
  2. Step 2: Convert to fraction form
    113,724,147.60/170,586,221.40 = 75,428,902.80/x
  3. Step 3: Cross multiply
    113,724,147.60x = 170,586,221.40 × 75,428,902.80
  4. Step 4: Simplify right side
    113,724,147.60x = 12,867,131,512,999,880
  5. Step 5: Solve for x
    x = 12,867,131,512,999,880/113,724,147.60
  6. Step 6: Final answer
    x = 113,143,354.20

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1.5x scale

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.