Home / 193,087,615.20-289,631,422.80-65,436,799.20

Finding the Fourth Proportional to 193,087,615.20, 289,631,422.80 and 65,436,799.20

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Solution

The fourth proportional to 193,087,615.20, 289,631,422.80 and 65,436,799.20 is: 98,155,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,615.20 : 289,631,422.80 = 65,436,799.20 : x
  2. Step 2: Convert to fraction form
    193,087,615.20/289,631,422.80 = 65,436,799.20/x
  3. Step 3: Cross multiply
    193,087,615.20x = 289,631,422.80 × 65,436,799.20
  4. Step 4: Simplify right side
    193,087,615.20x = 18,952,553,255,773,904
  5. Step 5: Solve for x
    x = 18,952,553,255,773,904/193,087,615.20
  6. Step 6: Final answer
    x = 98,155,198.80

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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.