Home / 71,202,748.39-98,261,724.89-40,267,543.75

Finding the Fourth Proportional to 71,202,748.39, 98,261,724.89 and 40,267,543.75

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Solution

The fourth proportional to 71,202,748.39, 98,261,724.89 and 40,267,543.75 is: 55,570,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202,748.39 : 98,261,724.89 = 40,267,543.75 : x
  2. Step 2: Convert to fraction form
    71,202,748.39/98,261,724.89 = 40,267,543.75/x
  3. Step 3: Cross multiply
    71,202,748.39x = 98,261,724.89 × 40,267,543.75
  4. Step 4: Simplify right side
    71,202,748.39x = 3,956,758,305,757,201.50
  5. Step 5: Solve for x
    x = 3,956,758,305,757,201.50/71,202,748.39
  6. Step 6: Final answer
    x = 55,570,303.05

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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.