Home / 236,657,087.97-355,023,776.98-72,894,768.36

Finding the Fourth Proportional to 236,657,087.97, 355,023,776.98 and 72,894,768.36

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Solution

The fourth proportional to 236,657,087.97, 355,023,776.98 and 72,894,768.36 is: 109,353,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,087.97 : 355,023,776.98 = 72,894,768.36 : x
  2. Step 2: Convert to fraction form
    236,657,087.97/355,023,776.98 = 72,894,768.36/x
  3. Step 3: Cross multiply
    236,657,087.97x = 355,023,776.98 × 72,894,768.36
  4. Step 4: Simplify right side
    236,657,087.97x = 25,879,375,985,249,400
  5. Step 5: Solve for x
    x = 25,879,375,985,249,400/236,657,087.97
  6. Step 6: Final answer
    x = 109,353,901.91

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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.