Home / 268,090,213.60-402,135,320.40-95,572,655.20

Finding the Fourth Proportional to 268,090,213.60, 402,135,320.40 and 95,572,655.20

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Solution

The fourth proportional to 268,090,213.60, 402,135,320.40 and 95,572,655.20 is: 143,358,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,090,213.60 : 402,135,320.40 = 95,572,655.20 : x
  2. Step 2: Convert to fraction form
    268,090,213.60/402,135,320.40 = 95,572,655.20/x
  3. Step 3: Cross multiply
    268,090,213.60x = 402,135,320.40 × 95,572,655.20
  4. Step 4: Simplify right side
    268,090,213.60x = 38,433,140,320,330,728
  5. Step 5: Solve for x
    x = 38,433,140,320,330,728/268,090,213.60
  6. Step 6: Final answer
    x = 143,358,982.80

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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.