Home / 300,672,842.40-451,009,263.60-96,221,584.80

Finding the Fourth Proportional to 300,672,842.40, 451,009,263.60 and 96,221,584.80

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Solution

The fourth proportional to 300,672,842.40, 451,009,263.60 and 96,221,584.80 is: 144,332,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,672,842.40 : 451,009,263.60 = 96,221,584.80 : x
  2. Step 2: Convert to fraction form
    300,672,842.40/451,009,263.60 = 96,221,584.80/x
  3. Step 3: Cross multiply
    300,672,842.40x = 451,009,263.60 × 96,221,584.80
  4. Step 4: Simplify right side
    300,672,842.40x = 43,396,826,103,072,952
  5. Step 5: Solve for x
    x = 43,396,826,103,072,952/300,672,842.40
  6. Step 6: Final answer
    x = 144,332,377.20

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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.