Home / 53,918,906.60-80,878,359.90-33,511,572.20

Finding the Fourth Proportional to 53,918,906.60, 80,878,359.90 and 33,511,572.20

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Solution

The fourth proportional to 53,918,906.60, 80,878,359.90 and 33,511,572.20 is: 50,267,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918,906.60 : 80,878,359.90 = 33,511,572.20 : x
  2. Step 2: Convert to fraction form
    53,918,906.60/80,878,359.90 = 33,511,572.20/x
  3. Step 3: Cross multiply
    53,918,906.60x = 80,878,359.90 × 33,511,572.20
  4. Step 4: Simplify right side
    53,918,906.60x = 2,710,360,997,206,435
  5. Step 5: Solve for x
    x = 2,710,360,997,206,435/53,918,906.60
  6. Step 6: Final answer
    x = 50,267,358.30

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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.