Home / 60,809,780.90-91,087,490.55-28,489,268.90

Finding the Fourth Proportional to 60,809,780.90, 91,087,490.55 and 28,489,268.90

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Solution

The fourth proportional to 60,809,780.90, 91,087,490.55 and 28,489,268.90 is: 42,674,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809,780.90 : 91,087,490.55 = 28,489,268.90 : x
  2. Step 2: Convert to fraction form
    60,809,780.90/91,087,490.55 = 28,489,268.90/x
  3. Step 3: Cross multiply
    60,809,780.90x = 91,087,490.55 × 28,489,268.90
  4. Step 4: Simplify right side
    60,809,780.90x = 2,595,016,011,705,158.50
  5. Step 5: Solve for x
    x = 2,595,016,011,705,158.50/60,809,780.90
  6. Step 6: Final answer
    x = 42,674,319.38

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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.