Home / 271,723,686.80-406,988,333.40-163,830,131.60

Finding the Fourth Proportional to 271,723,686.80, 406,988,333.40 and 163,830,131.60

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Solution

The fourth proportional to 271,723,686.80, 406,988,333.40 and 163,830,131.60 is: 245,385,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,723,686.80 : 406,988,333.40 = 163,830,131.60 : x
  2. Step 2: Convert to fraction form
    271,723,686.80/406,988,333.40 = 163,830,131.60/x
  3. Step 3: Cross multiply
    271,723,686.80x = 406,988,333.40 × 163,830,131.60
  4. Step 4: Simplify right side
    271,723,686.80x = 66,676,952,220,586,672
  5. Step 5: Solve for x
    x = 66,676,952,220,586,672/271,723,686.80
  6. Step 6: Final answer
    x = 245,385,130.04

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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.