Home / 281,304,001.03-388,199,521.43-157,544,678.16

Finding the Fourth Proportional to 281,304,001.03, 388,199,521.43 and 157,544,678.16

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Solution

The fourth proportional to 281,304,001.03, 388,199,521.43 and 157,544,678.16 is: 217,411,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304,001.03 : 388,199,521.43 = 157,544,678.16 : x
  2. Step 2: Convert to fraction form
    281,304,001.03/388,199,521.43 = 157,544,678.16/x
  3. Step 3: Cross multiply
    281,304,001.03x = 388,199,521.43 × 157,544,678.16
  4. Step 4: Simplify right side
    281,304,001.03x = 61,158,768,665,555,376
  5. Step 5: Solve for x
    x = 61,158,768,665,555,376/281,304,001.03
  6. Step 6: Final answer
    x = 217,411,655.87

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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.