Home / 122,267,361.84-168,971,048.45-100,206,064.95

Finding the Fourth Proportional to 122,267,361.84, 168,971,048.45 and 100,206,064.95

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Solution

The fourth proportional to 122,267,361.84, 168,971,048.45 and 100,206,064.95 is: 138,482,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,267,361.84 : 168,971,048.45 = 100,206,064.95 : x
  2. Step 2: Convert to fraction form
    122,267,361.84/168,971,048.45 = 100,206,064.95/x
  3. Step 3: Cross multiply
    122,267,361.84x = 168,971,048.45 × 100,206,064.95
  4. Step 4: Simplify right side
    122,267,361.84x = 16,931,923,855,650,296
  5. Step 5: Solve for x
    x = 16,931,923,855,650,296/122,267,361.84
  6. Step 6: Final answer
    x = 138,482,777.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.