Home / 57,485,784.80-86,228,677.20-54,084,562.40

Finding the Fourth Proportional to 57,485,784.80, 86,228,677.20 and 54,084,562.40

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Solution

The fourth proportional to 57,485,784.80, 86,228,677.20 and 54,084,562.40 is: 81,126,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485,784.80 : 86,228,677.20 = 54,084,562.40 : x
  2. Step 2: Convert to fraction form
    57,485,784.80/86,228,677.20 = 54,084,562.40/x
  3. Step 3: Cross multiply
    57,485,784.80x = 86,228,677.20 × 54,084,562.40
  4. Step 4: Simplify right side
    57,485,784.80x = 4,663,640,272,692,857
  5. Step 5: Solve for x
    x = 4,663,640,272,692,857/57,485,784.80
  6. Step 6: Final answer
    x = 81,126,843.60

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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.