Home / 236,657,109.48-355,023,809.22-72,894,789.88

Finding the Fourth Proportional to 236,657,109.48, 355,023,809.22 and 72,894,789.88

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Solution

The fourth proportional to 236,657,109.48, 355,023,809.22 and 72,894,789.88 is: 109,353,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,109.48 : 355,023,809.22 = 72,894,789.88 : x
  2. Step 2: Convert to fraction form
    236,657,109.48/355,023,809.22 = 72,894,789.88/x
  3. Step 3: Cross multiply
    236,657,109.48x = 355,023,809.22 × 72,894,789.88
  4. Step 4: Simplify right side
    236,657,109.48x = 25,879,385,975,489,108
  5. Step 5: Solve for x
    x = 25,879,385,975,489,108/236,657,109.48
  6. Step 6: Final answer
    x = 109,353,934.19

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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.