Home / 225,753,733.35-338,549,276.43-78,161,221.22

Finding the Fourth Proportional to 225,753,733.35, 338,549,276.43 and 78,161,221.22

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Solution

The fourth proportional to 225,753,733.35, 338,549,276.43 and 78,161,221.22 is: 117,213,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,753,733.35 : 338,549,276.43 = 78,161,221.22 : x
  2. Step 2: Convert to fraction form
    225,753,733.35/338,549,276.43 = 78,161,221.22/x
  3. Step 3: Cross multiply
    225,753,733.35x = 338,549,276.43 × 78,161,221.22
  4. Step 4: Simplify right side
    225,753,733.35x = 26,461,424,887,223,416
  5. Step 5: Solve for x
    x = 26,461,424,887,223,416/225,753,733.35
  6. Step 6: Final answer
    x = 117,213,675.69

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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.