Home / 163,278,105.69-225,323,798.04-89,939,247.69

Finding the Fourth Proportional to 163,278,105.69, 225,323,798.04 and 89,939,247.69

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Solution

The fourth proportional to 163,278,105.69, 225,323,798.04 and 89,939,247.69 is: 124,116,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,278,105.69 : 225,323,798.04 = 89,939,247.69 : x
  2. Step 2: Convert to fraction form
    163,278,105.69/225,323,798.04 = 89,939,247.69/x
  3. Step 3: Cross multiply
    163,278,105.69x = 225,323,798.04 × 89,939,247.69
  4. Step 4: Simplify right side
    163,278,105.69x = 20,265,452,882,371,096
  5. Step 5: Solve for x
    x = 20,265,452,882,371,096/163,278,105.69
  6. Step 6: Final answer
    x = 124,116,168.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.