Home / 158,825,199.72-219,184,091.94-88,263,784.21

Finding the Fourth Proportional to 158,825,199.72, 219,184,091.94 and 88,263,784.21

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Solution

The fourth proportional to 158,825,199.72, 219,184,091.94 and 88,263,784.21 is: 121,806,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,825,199.72 : 219,184,091.94 = 88,263,784.21 : x
  2. Step 2: Convert to fraction form
    158,825,199.72/219,184,091.94 = 88,263,784.21/x
  3. Step 3: Cross multiply
    158,825,199.72x = 219,184,091.94 × 88,263,784.21
  4. Step 4: Simplify right side
    158,825,199.72x = 19,346,017,392,815,640
  5. Step 5: Solve for x
    x = 19,346,017,392,815,640/158,825,199.72
  6. Step 6: Final answer
    x = 121,806,976.65

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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.