Home / 84,320,220.60-126,527,570.10-35,789,815.80

Finding the Fourth Proportional to 84,320,220.60, 126,527,570.10 and 35,789,815.80

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Solution

The fourth proportional to 84,320,220.60, 126,527,570.10 and 35,789,815.80 is: 53,704,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320,220.60 : 126,527,570.10 = 35,789,815.80 : x
  2. Step 2: Convert to fraction form
    84,320,220.60/126,527,570.10 = 35,789,815.80/x
  3. Step 3: Cross multiply
    84,320,220.60x = 126,527,570.10 × 35,789,815.80
  4. Step 4: Simplify right side
    84,320,220.60x = 4,528,398,427,500,587
  5. Step 5: Solve for x
    x = 4,528,398,427,500,587/84,320,220.60
  6. Step 6: Final answer
    x = 53,704,774.43

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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.