Home / 193,536,265.20-290,437,108.20-85,908,130.80

Finding the Fourth Proportional to 193,536,265.20, 290,437,108.20 and 85,908,130.80

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Solution

The fourth proportional to 193,536,265.20, 290,437,108.20 and 85,908,130.80 is: 128,921,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,265.20 : 290,437,108.20 = 85,908,130.80 : x
  2. Step 2: Convert to fraction form
    193,536,265.20/290,437,108.20 = 85,908,130.80/x
  3. Step 3: Cross multiply
    193,536,265.20x = 290,437,108.20 × 85,908,130.80
  4. Step 4: Simplify right side
    193,536,265.20x = 24,950,909,080,419,352
  5. Step 5: Solve for x
    x = 24,950,909,080,419,352/193,536,265.20
  6. Step 6: Final answer
    x = 128,921,104.55

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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.