Home / 67,766,403.60-93,517,383.60-38,403,331.20

Finding the Fourth Proportional to 67,766,403.60, 93,517,383.60 and 38,403,331.20

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Solution

The fourth proportional to 67,766,403.60, 93,517,383.60 and 38,403,331.20 is: 52,996,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,766,403.60 : 93,517,383.60 = 38,403,331.20 : x
  2. Step 2: Convert to fraction form
    67,766,403.60/93,517,383.60 = 38,403,331.20/x
  3. Step 3: Cross multiply
    67,766,403.60x = 93,517,383.60 × 38,403,331.20
  4. Step 4: Simplify right side
    67,766,403.60x = 3,591,379,055,348,248.50
  5. Step 5: Solve for x
    x = 3,591,379,055,348,248.50/67,766,403.60
  6. Step 6: Final answer
    x = 52,996,453.47

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1.5x scale

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.