Home / 281,304,010.17-388,199,534.01-157,544,687.31

Finding the Fourth Proportional to 281,304,010.17, 388,199,534.01 and 157,544,687.31

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Solution

The fourth proportional to 281,304,010.17, 388,199,534.01 and 157,544,687.31 is: 217,411,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304,010.17 : 388,199,534.01 = 157,544,687.31 : x
  2. Step 2: Convert to fraction form
    281,304,010.17/388,199,534.01 = 157,544,687.31/x
  3. Step 3: Cross multiply
    281,304,010.17x = 388,199,534.01 × 157,544,687.31
  4. Step 4: Simplify right side
    281,304,010.17x = 61,158,774,199,493,160
  5. Step 5: Solve for x
    x = 61,158,774,199,493,160/281,304,010.17
  6. Step 6: Final answer
    x = 217,411,668.47

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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.