Home / 169,490,110.39-254,313,354.49-77,402,078.31

Finding the Fourth Proportional to 169,490,110.39, 254,313,354.49 and 77,402,078.31

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Solution

The fourth proportional to 169,490,110.39, 254,313,354.49 and 77,402,078.31 is: 116,138,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490,110.39 : 254,313,354.49 = 77,402,078.31 : x
  2. Step 2: Convert to fraction form
    169,490,110.39/254,313,354.49 = 77,402,078.31/x
  3. Step 3: Cross multiply
    169,490,110.39x = 254,313,354.49 × 77,402,078.31
  4. Step 4: Simplify right side
    169,490,110.39x = 19,684,382,179,513,772
  5. Step 5: Solve for x
    x = 19,684,382,179,513,772/169,490,110.39
  6. Step 6: Final answer
    x = 116,138,824.47

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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.