Home / 424,037,721.60-636,070,754.04-117,304,148.16

Finding the Fourth Proportional to 424,037,721.60, 636,070,754.04 and 117,304,148.16

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Solution

The fourth proportional to 424,037,721.60, 636,070,754.04 and 117,304,148.16 is: 175,960,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,037,721.60 : 636,070,754.04 = 117,304,148.16 : x
  2. Step 2: Convert to fraction form
    424,037,721.60/636,070,754.04 = 117,304,148.16/x
  3. Step 3: Cross multiply
    424,037,721.60x = 636,070,754.04 × 117,304,148.16
  4. Step 4: Simplify right side
    424,037,721.60x = 74,613,737,972,151,072
  5. Step 5: Solve for x
    x = 74,613,737,972,151,072/424,037,721.60
  6. Step 6: Final answer
    x = 175,960,142.63

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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.