Home / 281,482,274.61-388,448,698.85-160,796,245.43

Finding the Fourth Proportional to 281,482,274.61, 388,448,698.85 and 160,796,245.43

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Solution

The fourth proportional to 281,482,274.61, 388,448,698.85 and 160,796,245.43 is: 221,900,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,482,274.61 : 388,448,698.85 = 160,796,245.43 : x
  2. Step 2: Convert to fraction form
    281,482,274.61/388,448,698.85 = 160,796,245.43/x
  3. Step 3: Cross multiply
    281,482,274.61x = 388,448,698.85 × 160,796,245.43
  4. Step 4: Simplify right side
    281,482,274.61x = 62,461,092,318,018,888
  5. Step 5: Solve for x
    x = 62,461,092,318,018,888/281,482,274.61
  6. Step 6: Final answer
    x = 221,900,623.78

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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.