Home / 236,657,084.72-355,023,772.09-72,894,765.11

Finding the Fourth Proportional to 236,657,084.72, 355,023,772.09 and 72,894,765.11

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Solution

The fourth proportional to 236,657,084.72, 355,023,772.09 and 72,894,765.11 is: 109,353,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,084.72 : 355,023,772.09 = 72,894,765.11 : x
  2. Step 2: Convert to fraction form
    236,657,084.72/355,023,772.09 = 72,894,765.11/x
  3. Step 3: Cross multiply
    236,657,084.72x = 355,023,772.09 × 72,894,765.11
  4. Step 4: Simplify right side
    236,657,084.72x = 25,879,374,474,261,400
  5. Step 5: Solve for x
    x = 25,879,374,474,261,400/236,657,084.72
  6. Step 6: Final answer
    x = 109,353,897.03

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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.