Home / 188,971,996.75-260,781,359.16-102,051,868.75

Finding the Fourth Proportional to 188,971,996.75, 260,781,359.16 and 102,051,868.75

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Solution

The fourth proportional to 188,971,996.75, 260,781,359.16 and 102,051,868.75 is: 140,831,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,971,996.75 : 260,781,359.16 = 102,051,868.75 : x
  2. Step 2: Convert to fraction form
    188,971,996.75/260,781,359.16 = 102,051,868.75/x
  3. Step 3: Cross multiply
    188,971,996.75x = 260,781,359.16 × 102,051,868.75
  4. Step 4: Simplify right side
    188,971,996.75x = 26,613,225,037,442,928
  5. Step 5: Solve for x
    x = 26,613,225,037,442,928/188,971,996.75
  6. Step 6: Final answer
    x = 140,831,580.84

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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.