Home / 68,161,086.92-94,069,106.76-40,659,015.20

Finding the Fourth Proportional to 68,161,086.92, 94,069,106.76 and 40,659,015.20

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Solution

The fourth proportional to 68,161,086.92, 94,069,106.76 and 40,659,015.20 is: 56,113,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161,086.92 : 94,069,106.76 = 40,659,015.20 : x
  2. Step 2: Convert to fraction form
    68,161,086.92/94,069,106.76 = 40,659,015.20/x
  3. Step 3: Cross multiply
    68,161,086.92x = 94,069,106.76 × 40,659,015.20
  4. Step 4: Simplify right side
    68,161,086.92x = 3,824,757,241,605,263.50
  5. Step 5: Solve for x
    x = 3,824,757,241,605,263.50/68,161,086.92
  6. Step 6: Final answer
    x = 56,113,501.33

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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.