Home / 126,680,656.56-190,017,660.48-40,424,326.80

Finding the Fourth Proportional to 126,680,656.56, 190,017,660.48 and 40,424,326.80

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Solution

The fourth proportional to 126,680,656.56, 190,017,660.48 and 40,424,326.80 is: 60,635,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,680,656.56 : 190,017,660.48 = 40,424,326.80 : x
  2. Step 2: Convert to fraction form
    126,680,656.56/190,017,660.48 = 40,424,326.80/x
  3. Step 3: Cross multiply
    126,680,656.56x = 190,017,660.48 × 40,424,326.80
  4. Step 4: Simplify right side
    126,680,656.56x = 7,681,336,005,014,964
  5. Step 5: Solve for x
    x = 7,681,336,005,014,964/126,680,656.56
  6. Step 6: Final answer
    x = 60,635,429.38

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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.