Home / 165,888,278.70-248,832,418.05-164,880,509.10

Finding the Fourth Proportional to 165,888,278.70, 248,832,418.05 and 164,880,509.10

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Solution

The fourth proportional to 165,888,278.70, 248,832,418.05 and 164,880,509.10 is: 247,320,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,278.70 : 248,832,418.05 = 164,880,509.10 : x
  2. Step 2: Convert to fraction form
    165,888,278.70/248,832,418.05 = 164,880,509.10/x
  3. Step 3: Cross multiply
    165,888,278.70x = 248,832,418.05 × 164,880,509.10
  4. Step 4: Simplify right side
    165,888,278.70x = 41,027,615,768,668,032
  5. Step 5: Solve for x
    x = 41,027,615,768,668,032/165,888,278.70
  6. Step 6: Final answer
    x = 247,320,763.65

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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.