Home / 177,984,012.40-266,976,018.60-126,587,762.80

Finding the Fourth Proportional to 177,984,012.40, 266,976,018.60 and 126,587,762.80

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Solution

The fourth proportional to 177,984,012.40, 266,976,018.60 and 126,587,762.80 is: 189,881,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,984,012.40 : 266,976,018.60 = 126,587,762.80 : x
  2. Step 2: Convert to fraction form
    177,984,012.40/266,976,018.60 = 126,587,762.80/x
  3. Step 3: Cross multiply
    177,984,012.40x = 266,976,018.60 × 126,587,762.80
  4. Step 4: Simplify right side
    177,984,012.40x = 33,795,896,915,825,188
  5. Step 5: Solve for x
    x = 33,795,896,915,825,188/177,984,012.40
  6. Step 6: Final answer
    x = 189,881,644.20

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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.