Home / 180,198,552-248,879,288.16-122,151,023.04

Finding the Fourth Proportional to 180,198,552, 248,879,288.16 and 122,151,023.04

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Solution

The fourth proportional to 180,198,552, 248,879,288.16 and 122,151,023.04 is: 168,707,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,198,552 : 248,879,288.16 = 122,151,023.04 : x
  2. Step 2: Convert to fraction form
    180,198,552/248,879,288.16 = 122,151,023.04/x
  3. Step 3: Cross multiply
    180,198,552x = 248,879,288.16 × 122,151,023.04
  4. Step 4: Simplify right side
    180,198,552x = 30,400,859,662,210,960
  5. Step 5: Solve for x
    x = 30,400,859,662,210,960/180,198,552
  6. Step 6: Final answer
    x = 168,707,569.09

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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.