Home / 86,909,575.70-130,380,109.95-43,669,961.30

Finding the Fourth Proportional to 86,909,575.70, 130,380,109.95 and 43,669,961.30

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Solution

The fourth proportional to 86,909,575.70, 130,380,109.95 and 43,669,961.30 is: 65,512,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,575.70 : 130,380,109.95 = 43,669,961.30 : x
  2. Step 2: Convert to fraction form
    86,909,575.70/130,380,109.95 = 43,669,961.30/x
  3. Step 3: Cross multiply
    86,909,575.70x = 130,380,109.95 × 43,669,961.30
  4. Step 4: Simplify right side
    86,909,575.70x = 5,693,694,355,806,245
  5. Step 5: Solve for x
    x = 5,693,694,355,806,245/86,909,575.70
  6. Step 6: Final answer
    x = 65,512,854.14

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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.