Home / 121,364,231.40-182,046,347.10-120,608,404.20

Finding the Fourth Proportional to 121,364,231.40, 182,046,347.10 and 120,608,404.20

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Solution

The fourth proportional to 121,364,231.40, 182,046,347.10 and 120,608,404.20 is: 180,912,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,364,231.40 : 182,046,347.10 = 120,608,404.20 : x
  2. Step 2: Convert to fraction form
    121,364,231.40/182,046,347.10 = 120,608,404.20/x
  3. Step 3: Cross multiply
    121,364,231.40x = 182,046,347.10 × 120,608,404.20
  4. Step 4: Simplify right side
    121,364,231.40x = 21,956,319,414,170,296
  5. Step 5: Solve for x
    x = 21,956,319,414,170,296/121,364,231.40
  6. Step 6: Final answer
    x = 180,912,606.30

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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.