Home / 70,815,403.85-97,722,965.50-40,644,866.75

Finding the Fourth Proportional to 70,815,403.85, 97,722,965.50 and 40,644,866.75

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Solution

The fourth proportional to 70,815,403.85, 97,722,965.50 and 40,644,866.75 is: 56,088,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815,403.85 : 97,722,965.50 = 40,644,866.75 : x
  2. Step 2: Convert to fraction form
    70,815,403.85/97,722,965.50 = 40,644,866.75/x
  3. Step 3: Cross multiply
    70,815,403.85x = 97,722,965.50 × 40,644,866.75
  4. Step 4: Simplify right side
    70,815,403.85x = 3,971,936,910,572,120
  5. Step 5: Solve for x
    x = 3,971,936,910,572,120/70,815,403.85
  6. Step 6: Final answer
    x = 56,088,600.71

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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.