Home / 130,908,390-196,390,929.96-50,129,360.88

Finding the Fourth Proportional to 130,908,390, 196,390,929.96 and 50,129,360.88

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Solution

The fourth proportional to 130,908,390, 196,390,929.96 and 50,129,360.88 is: 75,204,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,908,390 : 196,390,929.96 = 50,129,360.88 : x
  2. Step 2: Convert to fraction form
    130,908,390/196,390,929.96 = 50,129,360.88/x
  3. Step 3: Cross multiply
    130,908,390x = 196,390,929.96 × 50,129,360.88
  4. Step 4: Simplify right side
    130,908,390x = 9,844,951,801,523,644
  5. Step 5: Solve for x
    x = 9,844,951,801,523,644/130,908,390
  6. Step 6: Final answer
    x = 75,204,895.59

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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.