Home / 100,791,191.70-151,214,781.15-43,310,999.70

Finding the Fourth Proportional to 100,791,191.70, 151,214,781.15 and 43,310,999.70

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Solution

The fourth proportional to 100,791,191.70, 151,214,781.15 and 43,310,999.70 is: 64,978,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,191.70 : 151,214,781.15 = 43,310,999.70 : x
  2. Step 2: Convert to fraction form
    100,791,191.70/151,214,781.15 = 43,310,999.70/x
  3. Step 3: Cross multiply
    100,791,191.70x = 151,214,781.15 × 43,310,999.70
  4. Step 4: Simplify right side
    100,791,191.70x = 6,549,263,341,023,216
  5. Step 5: Solve for x
    x = 6,549,263,341,023,216/100,791,191.70
  6. Step 6: Final answer
    x = 64,978,528.68

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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.