Home / 56,018,019.60-84,027,029.40-38,799,331.20

Finding the Fourth Proportional to 56,018,019.60, 84,027,029.40 and 38,799,331.20

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Solution

The fourth proportional to 56,018,019.60, 84,027,029.40 and 38,799,331.20 is: 58,198,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018,019.60 : 84,027,029.40 = 38,799,331.20 : x
  2. Step 2: Convert to fraction form
    56,018,019.60/84,027,029.40 = 38,799,331.20/x
  3. Step 3: Cross multiply
    56,018,019.60x = 84,027,029.40 × 38,799,331.20
  4. Step 4: Simplify right side
    56,018,019.60x = 3,260,192,543,442,738
  5. Step 5: Solve for x
    x = 3,260,192,543,442,738/56,018,019.60
  6. Step 6: Final answer
    x = 58,198,996.80

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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.