Home / 126,396,962.55-189,642,683.03-49,773,405.51

Finding the Fourth Proportional to 126,396,962.55, 189,642,683.03 and 49,773,405.51

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Solution

The fourth proportional to 126,396,962.55, 189,642,683.03 and 49,773,405.51 is: 74,678,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,396,962.55 : 189,642,683.03 = 49,773,405.51 : x
  2. Step 2: Convert to fraction form
    126,396,962.55/189,642,683.03 = 49,773,405.51/x
  3. Step 3: Cross multiply
    126,396,962.55x = 189,642,683.03 × 49,773,405.51
  4. Step 4: Simplify right side
    126,396,962.55x = 9,439,162,164,207,718
  5. Step 5: Solve for x
    x = 9,439,162,164,207,718/126,396,962.55
  6. Step 6: Final answer
    x = 74,678,710.42

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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.