Home / 211,814,396.60-291,628,155.66-180,749,898.68

Finding the Fourth Proportional to 211,814,396.60, 291,628,155.66 and 180,749,898.68

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Solution

The fourth proportional to 211,814,396.60, 291,628,155.66 and 180,749,898.68 is: 248,858,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,814,396.60 : 291,628,155.66 = 180,749,898.68 : x
  2. Step 2: Convert to fraction form
    211,814,396.60/291,628,155.66 = 180,749,898.68/x
  3. Step 3: Cross multiply
    211,814,396.60x = 291,628,155.66 × 180,749,898.68
  4. Step 4: Simplify right side
    211,814,396.60x = 52,711,759,587,780,272
  5. Step 5: Solve for x
    x = 52,711,759,587,780,272/211,814,396.60
  6. Step 6: Final answer
    x = 248,858,247.76

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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.