Home / 421,004,354.60-631,458,286.68-110,141,969.38

Finding the Fourth Proportional to 421,004,354.60, 631,458,286.68 and 110,141,969.38

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Solution

The fourth proportional to 421,004,354.60, 631,458,286.68 and 110,141,969.38 is: 165,200,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,004,354.60 : 631,458,286.68 = 110,141,969.38 : x
  2. Step 2: Convert to fraction form
    421,004,354.60/631,458,286.68 = 110,141,969.38/x
  3. Step 3: Cross multiply
    421,004,354.60x = 631,458,286.68 × 110,141,969.38
  4. Step 4: Simplify right side
    421,004,354.60x = 69,550,059,276,255,816
  5. Step 5: Solve for x
    x = 69,550,059,276,255,816/421,004,354.60
  6. Step 6: Final answer
    x = 165,200,332.29

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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.