Home / 223,128,499.80-334,692,749.70-187,415,664.60

Finding the Fourth Proportional to 223,128,499.80, 334,692,749.70 and 187,415,664.60

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Solution

The fourth proportional to 223,128,499.80, 334,692,749.70 and 187,415,664.60 is: 281,123,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,128,499.80 : 334,692,749.70 = 187,415,664.60 : x
  2. Step 2: Convert to fraction form
    223,128,499.80/334,692,749.70 = 187,415,664.60/x
  3. Step 3: Cross multiply
    223,128,499.80x = 334,692,749.70 × 187,415,664.60
  4. Step 4: Simplify right side
    223,128,499.80x = 62,726,664,121,826,944
  5. Step 5: Solve for x
    x = 62,726,664,121,826,944/223,128,499.80
  6. Step 6: Final answer
    x = 281,123,496.90

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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.