Home / 217,859,841.42-300,652,882.09-118,747,008.33

Finding the Fourth Proportional to 217,859,841.42, 300,652,882.09 and 118,747,008.33

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Solution

The fourth proportional to 217,859,841.42, 300,652,882.09 and 118,747,008.33 is: 163,874,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,859,841.42 : 300,652,882.09 = 118,747,008.33 : x
  2. Step 2: Convert to fraction form
    217,859,841.42/300,652,882.09 = 118,747,008.33/x
  3. Step 3: Cross multiply
    217,859,841.42x = 300,652,882.09 × 118,747,008.33
  4. Step 4: Simplify right side
    217,859,841.42x = 35,701,630,294,912,448
  5. Step 5: Solve for x
    x = 35,701,630,294,912,448/217,859,841.42
  6. Step 6: Final answer
    x = 163,874,305.89

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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.