Home / 153,818,103.22-212,268,965.34-83,253,701.35

Finding the Fourth Proportional to 153,818,103.22, 212,268,965.34 and 83,253,701.35

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Solution

The fourth proportional to 153,818,103.22, 212,268,965.34 and 83,253,701.35 is: 114,890,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,818,103.22 : 212,268,965.34 = 83,253,701.35 : x
  2. Step 2: Convert to fraction form
    153,818,103.22/212,268,965.34 = 83,253,701.35/x
  3. Step 3: Cross multiply
    153,818,103.22x = 212,268,965.34 × 83,253,701.35
  4. Step 4: Simplify right side
    153,818,103.22x = 17,672,177,046,289,860
  5. Step 5: Solve for x
    x = 17,672,177,046,289,860/153,818,103.22
  6. Step 6: Final answer
    x = 114,890,098.61

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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.