Home / 53,180,201.16-73,394,320.25-31,172,191.34

Finding the Fourth Proportional to 53,180,201.16, 73,394,320.25 and 31,172,191.34

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Solution

The fourth proportional to 53,180,201.16, 73,394,320.25 and 31,172,191.34 is: 43,020,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180,201.16 : 73,394,320.25 = 31,172,191.34 : x
  2. Step 2: Convert to fraction form
    53,180,201.16/73,394,320.25 = 31,172,191.34/x
  3. Step 3: Cross multiply
    53,180,201.16x = 73,394,320.25 × 31,172,191.34
  4. Step 4: Simplify right side
    53,180,201.16x = 2,287,861,793,813,195.50
  5. Step 5: Solve for x
    x = 2,287,861,793,813,195.50/53,180,201.16
  6. Step 6: Final answer
    x = 43,020,931.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.