Home / 117,422,319.40-175,566,608.70-86,811,317.80

Finding the Fourth Proportional to 117,422,319.40, 175,566,608.70 and 86,811,317.80

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Solution

The fourth proportional to 117,422,319.40, 175,566,608.70 and 86,811,317.80 is: 129,797,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,319.40 : 175,566,608.70 = 86,811,317.80 : x
  2. Step 2: Convert to fraction form
    117,422,319.40/175,566,608.70 = 86,811,317.80/x
  3. Step 3: Cross multiply
    117,422,319.40x = 175,566,608.70 × 86,811,317.80
  4. Step 4: Simplify right side
    117,422,319.40x = 15,241,168,662,923,944
  5. Step 5: Solve for x
    x = 15,241,168,662,923,944/117,422,319.40
  6. Step 6: Final answer
    x = 129,797,884.60

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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.