Home / 185,912,147.60-278,868,221.40-83,875,475.60

Finding the Fourth Proportional to 185,912,147.60, 278,868,221.40 and 83,875,475.60

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Solution

The fourth proportional to 185,912,147.60, 278,868,221.40 and 83,875,475.60 is: 125,813,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912,147.60 : 278,868,221.40 = 83,875,475.60 : x
  2. Step 2: Convert to fraction form
    185,912,147.60/278,868,221.40 = 83,875,475.60/x
  3. Step 3: Cross multiply
    185,912,147.60x = 278,868,221.40 × 83,875,475.60
  4. Step 4: Simplify right side
    185,912,147.60x = 23,390,204,699,651,096
  5. Step 5: Solve for x
    x = 23,390,204,699,651,096/185,912,147.60
  6. Step 6: Final answer
    x = 125,813,213.40

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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.