Home / 100,280,649.92-150,434,359.73-39,682,204.16

Finding the Fourth Proportional to 100,280,649.92, 150,434,359.73 and 39,682,204.16

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Solution

The fourth proportional to 100,280,649.92, 150,434,359.73 and 39,682,204.16 is: 59,528,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,280,649.92 : 150,434,359.73 = 39,682,204.16 : x
  2. Step 2: Convert to fraction form
    100,280,649.92/150,434,359.73 = 39,682,204.16/x
  3. Step 3: Cross multiply
    100,280,649.92x = 150,434,359.73 × 39,682,204.16
  4. Step 4: Simplify right side
    100,280,649.92x = 5,969,566,975,484,742
  5. Step 5: Solve for x
    x = 5,969,566,975,484,742/100,280,649.92
  6. Step 6: Final answer
    x = 59,528,602.78

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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.