Home / 177,984,013.40-266,976,020.10-126,587,763.80

Finding the Fourth Proportional to 177,984,013.40, 266,976,020.10 and 126,587,763.80

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Solution

The fourth proportional to 177,984,013.40, 266,976,020.10 and 126,587,763.80 is: 189,881,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,984,013.40 : 266,976,020.10 = 126,587,763.80 : x
  2. Step 2: Convert to fraction form
    177,984,013.40/266,976,020.10 = 126,587,763.80/x
  3. Step 3: Cross multiply
    177,984,013.40x = 266,976,020.10 × 126,587,763.80
  4. Step 4: Simplify right side
    177,984,013.40x = 33,795,897,372,682,852
  5. Step 5: Solve for x
    x = 33,795,897,372,682,852/177,984,013.40
  6. Step 6: Final answer
    x = 189,881,645.70

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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.