Home / 56,800,331.40-85,212,938.70-18,455,320.20

Finding the Fourth Proportional to 56,800,331.40, 85,212,938.70 and 18,455,320.20

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Solution

The fourth proportional to 56,800,331.40, 85,212,938.70 and 18,455,320.20 is: 27,687,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,800,331.40 : 85,212,938.70 = 18,455,320.20 : x
  2. Step 2: Convert to fraction form
    56,800,331.40/85,212,938.70 = 18,455,320.20/x
  3. Step 3: Cross multiply
    56,800,331.40x = 85,212,938.70 × 18,455,320.20
  4. Step 4: Simplify right side
    56,800,331.40x = 1,572,632,068,891,471.75
  5. Step 5: Solve for x
    x = 1,572,632,068,891,471.75/56,800,331.40
  6. Step 6: Final answer
    x = 27,687,022.77

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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.