Home / 236,657,104.57-355,023,801.96-72,894,785.05

Finding the Fourth Proportional to 236,657,104.57, 355,023,801.96 and 72,894,785.05

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Solution

The fourth proportional to 236,657,104.57, 355,023,801.96 and 72,894,785.05 is: 109,353,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,104.57 : 355,023,801.96 = 72,894,785.05 : x
  2. Step 2: Convert to fraction form
    236,657,104.57/355,023,801.96 = 72,894,785.05/x
  3. Step 3: Cross multiply
    236,657,104.57x = 355,023,801.96 × 72,894,785.05
  4. Step 4: Simplify right side
    236,657,104.57x = 25,879,383,731,507,968
  5. Step 5: Solve for x
    x = 25,879,383,731,507,968/236,657,104.57
  6. Step 6: Final answer
    x = 109,353,926.98

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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.