Home / 236,657,105.96-355,023,804.02-72,894,786.44

Finding the Fourth Proportional to 236,657,105.96, 355,023,804.02 and 72,894,786.44

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Solution

The fourth proportional to 236,657,105.96, 355,023,804.02 and 72,894,786.44 is: 109,353,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,105.96 : 355,023,804.02 = 72,894,786.44 : x
  2. Step 2: Convert to fraction form
    236,657,105.96/355,023,804.02 = 72,894,786.44/x
  3. Step 3: Cross multiply
    236,657,105.96x = 355,023,804.02 × 72,894,786.44
  4. Step 4: Simplify right side
    236,657,105.96x = 25,879,384,373,561,432
  5. Step 5: Solve for x
    x = 25,879,384,373,561,432/236,657,105.96
  6. Step 6: Final answer
    x = 109,353,929.05

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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.