Home / 130,400,204.60-195,600,306.90-85,050,572.60

Finding the Fourth Proportional to 130,400,204.60, 195,600,306.90 and 85,050,572.60

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Solution

The fourth proportional to 130,400,204.60, 195,600,306.90 and 85,050,572.60 is: 127,575,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,400,204.60 : 195,600,306.90 = 85,050,572.60 : x
  2. Step 2: Convert to fraction form
    130,400,204.60/195,600,306.90 = 85,050,572.60/x
  3. Step 3: Cross multiply
    130,400,204.60x = 195,600,306.90 × 85,050,572.60
  4. Step 4: Simplify right side
    130,400,204.60x = 16,635,918,102,580,730
  5. Step 5: Solve for x
    x = 16,635,918,102,580,730/130,400,204.60
  6. Step 6: Final answer
    x = 127,575,858.90

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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.