Home / 165,045,904.20-247,568,856.30-78,952,462.20

Finding the Fourth Proportional to 165,045,904.20, 247,568,856.30 and 78,952,462.20

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Solution

The fourth proportional to 165,045,904.20, 247,568,856.30 and 78,952,462.20 is: 118,428,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,045,904.20 : 247,568,856.30 = 78,952,462.20 : x
  2. Step 2: Convert to fraction form
    165,045,904.20/247,568,856.30 = 78,952,462.20/x
  3. Step 3: Cross multiply
    165,045,904.20x = 247,568,856.30 × 78,952,462.20
  4. Step 4: Simplify right side
    165,045,904.20x = 19,546,170,768,922,984
  5. Step 5: Solve for x
    x = 19,546,170,768,922,984/165,045,904.20
  6. Step 6: Final answer
    x = 118,428,693.30

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1.5x scale

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.