Home / 71,202,740.16-98,261,713.52-40,267,535.52

Finding the Fourth Proportional to 71,202,740.16, 98,261,713.52 and 40,267,535.52

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Solution

The fourth proportional to 71,202,740.16, 98,261,713.52 and 40,267,535.52 is: 55,570,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202,740.16 : 98,261,713.52 = 40,267,535.52 : x
  2. Step 2: Convert to fraction form
    71,202,740.16/98,261,713.52 = 40,267,535.52/x
  3. Step 3: Cross multiply
    71,202,740.16x = 98,261,713.52 × 40,267,535.52
  4. Step 4: Simplify right side
    71,202,740.16x = 3,956,757,039,422,664.50
  5. Step 5: Solve for x
    x = 3,956,757,039,422,664.50/71,202,740.16
  6. Step 6: Final answer
    x = 55,570,291.68

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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.