Home / 357,317,998.20-535,976,997.30-152,866,740.60

Finding the Fourth Proportional to 357,317,998.20, 535,976,997.30 and 152,866,740.60

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Solution

The fourth proportional to 357,317,998.20, 535,976,997.30 and 152,866,740.60 is: 229,300,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,317,998.20 : 535,976,997.30 = 152,866,740.60 : x
  2. Step 2: Convert to fraction form
    357,317,998.20/535,976,997.30 = 152,866,740.60/x
  3. Step 3: Cross multiply
    357,317,998.20x = 535,976,997.30 × 152,866,740.60
  4. Step 4: Simplify right side
    357,317,998.20x = 81,933,056,613,826,000
  5. Step 5: Solve for x
    x = 81,933,056,613,826,000/357,317,998.20
  6. Step 6: Final answer
    x = 229,300,110.90

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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.