Home / 130,408,998.60-195,613,497.90-85,059,366.60

Finding the Fourth Proportional to 130,408,998.60, 195,613,497.90 and 85,059,366.60

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Solution

The fourth proportional to 130,408,998.60, 195,613,497.90 and 85,059,366.60 is: 127,589,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,998.60 : 195,613,497.90 = 85,059,366.60 : x
  2. Step 2: Convert to fraction form
    130,408,998.60/195,613,497.90 = 85,059,366.60/x
  3. Step 3: Cross multiply
    130,408,998.60x = 195,613,497.90 × 85,059,366.60
  4. Step 4: Simplify right side
    130,408,998.60x = 16,638,760,229,784,430
  5. Step 5: Solve for x
    x = 16,638,760,229,784,430/130,408,998.60
  6. Step 6: Final answer
    x = 127,589,049.90

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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.