Home / 165,888,678.80-248,833,018.20-145,733,286.80

Finding the Fourth Proportional to 165,888,678.80, 248,833,018.20 and 145,733,286.80

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Solution

The fourth proportional to 165,888,678.80, 248,833,018.20 and 145,733,286.80 is: 218,599,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,678.80 : 248,833,018.20 = 145,733,286.80 : x
  2. Step 2: Convert to fraction form
    165,888,678.80/248,833,018.20 = 145,733,286.80/x
  3. Step 3: Cross multiply
    165,888,678.80x = 248,833,018.20 × 145,733,286.80
  4. Step 4: Simplify right side
    165,888,678.80x = 36,263,253,606,650,224
  5. Step 5: Solve for x
    x = 36,263,253,606,650,224/165,888,678.80
  6. Step 6: Final answer
    x = 218,599,930.20

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1.5x scale

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.