Home / 310,837,422.47-429,149,230.97-197,870,654.34

Finding the Fourth Proportional to 310,837,422.47, 429,149,230.97 and 197,870,654.34

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Solution

The fourth proportional to 310,837,422.47, 429,149,230.97 and 197,870,654.34 is: 273,184,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,422.47 : 429,149,230.97 = 197,870,654.34 : x
  2. Step 2: Convert to fraction form
    310,837,422.47/429,149,230.97 = 197,870,654.34/x
  3. Step 3: Cross multiply
    310,837,422.47x = 429,149,230.97 × 197,870,654.34
  4. Step 4: Simplify right side
    310,837,422.47x = 84,916,039,140,552,336
  5. Step 5: Solve for x
    x = 84,916,039,140,552,336/310,837,422.47
  6. Step 6: Final answer
    x = 273,184,735.82

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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.