Home / 218,781,035.58-301,905,617.64-119,642,219.58

Finding the Fourth Proportional to 218,781,035.58, 301,905,617.64 and 119,642,219.58

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Solution

The fourth proportional to 218,781,035.58, 301,905,617.64 and 119,642,219.58 is: 165,099,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,781,035.58 : 301,905,617.64 = 119,642,219.58 : x
  2. Step 2: Convert to fraction form
    218,781,035.58/301,905,617.64 = 119,642,219.58/x
  3. Step 3: Cross multiply
    218,781,035.58x = 301,905,617.64 × 119,642,219.58
  4. Step 4: Simplify right side
    218,781,035.58x = 36,120,658,198,120,400
  5. Step 5: Solve for x
    x = 36,120,658,198,120,400/218,781,035.58
  6. Step 6: Final answer
    x = 165,099,585.08

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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.