Home / 140,933,155.40-211,399,733.10-100,118,486.60

Finding the Fourth Proportional to 140,933,155.40, 211,399,733.10 and 100,118,486.60

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Solution

The fourth proportional to 140,933,155.40, 211,399,733.10 and 100,118,486.60 is: 150,177,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933,155.40 : 211,399,733.10 = 100,118,486.60 : x
  2. Step 2: Convert to fraction form
    140,933,155.40/211,399,733.10 = 100,118,486.60/x
  3. Step 3: Cross multiply
    140,933,155.40x = 211,399,733.10 × 100,118,486.60
  4. Step 4: Simplify right side
    140,933,155.40x = 21,165,021,345,615,924
  5. Step 5: Solve for x
    x = 21,165,021,345,615,924/140,933,155.40
  6. Step 6: Final answer
    x = 150,177,729.90

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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.