Home / 126,035,828.40-189,053,742.60-107,895,975.60

Finding the Fourth Proportional to 126,035,828.40, 189,053,742.60 and 107,895,975.60

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Solution

The fourth proportional to 126,035,828.40, 189,053,742.60 and 107,895,975.60 is: 161,843,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,035,828.40 : 189,053,742.60 = 107,895,975.60 : x
  2. Step 2: Convert to fraction form
    126,035,828.40/189,053,742.60 = 107,895,975.60/x
  3. Step 3: Cross multiply
    126,035,828.40x = 189,053,742.60 × 107,895,975.60
  4. Step 4: Simplify right side
    126,035,828.40x = 20,398,137,998,658,280
  5. Step 5: Solve for x
    x = 20,398,137,998,658,280/126,035,828.40
  6. Step 6: Final answer
    x = 161,843,963.40

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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.