Home / 265,934,007.51-398,583,648.39-123,772,296.60

Finding the Fourth Proportional to 265,934,007.51, 398,583,648.39 and 123,772,296.60

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Solution

The fourth proportional to 265,934,007.51, 398,583,648.39 and 123,772,296.60 is: 185,510,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,934,007.51 : 398,583,648.39 = 123,772,296.60 : x
  2. Step 2: Convert to fraction form
    265,934,007.51/398,583,648.39 = 123,772,296.60/x
  3. Step 3: Cross multiply
    265,934,007.51x = 398,583,648.39 × 123,772,296.60
  4. Step 4: Simplify right side
    265,934,007.51x = 49,333,613,548,437,192
  5. Step 5: Solve for x
    x = 49,333,613,548,437,192/265,934,007.51
  6. Step 6: Final answer
    x = 185,510,736.33

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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.