Home / 193,536,007.40-290,304,011.10-108,424,404.20

Finding the Fourth Proportional to 193,536,007.40, 290,304,011.10 and 108,424,404.20

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Solution

The fourth proportional to 193,536,007.40, 290,304,011.10 and 108,424,404.20 is: 162,636,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,007.40 : 290,304,011.10 = 108,424,404.20 : x
  2. Step 2: Convert to fraction form
    193,536,007.40/290,304,011.10 = 108,424,404.20/x
  3. Step 3: Cross multiply
    193,536,007.40x = 290,304,011.10 × 108,424,404.20
  4. Step 4: Simplify right side
    193,536,007.40x = 31,476,039,440,387,692
  5. Step 5: Solve for x
    x = 31,476,039,440,387,692/193,536,007.40
  6. Step 6: Final answer
    x = 162,636,606.30

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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.