Home / 236,657,073.39-355,023,755.12-72,894,753.79

Finding the Fourth Proportional to 236,657,073.39, 355,023,755.12 and 72,894,753.79

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Solution

The fourth proportional to 236,657,073.39, 355,023,755.12 and 72,894,753.79 is: 109,353,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,073.39 : 355,023,755.12 = 72,894,753.79 : x
  2. Step 2: Convert to fraction form
    236,657,073.39/355,023,755.12 = 72,894,753.79/x
  3. Step 3: Cross multiply
    236,657,073.39x = 355,023,755.12 × 72,894,753.79
  4. Step 4: Simplify right side
    236,657,073.39x = 25,879,369,217,821,616
  5. Step 5: Solve for x
    x = 25,879,369,217,821,616/236,657,073.39
  6. Step 6: Final answer
    x = 109,353,880.06

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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.