Home / 121,660,066.60-182,530,841.82-39,782,720.68

Finding the Fourth Proportional to 121,660,066.60, 182,530,841.82 and 39,782,720.68

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Solution

The fourth proportional to 121,660,066.60, 182,530,841.82 and 39,782,720.68 is: 59,687,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,660,066.60 : 182,530,841.82 = 39,782,720.68 : x
  2. Step 2: Convert to fraction form
    121,660,066.60/182,530,841.82 = 39,782,720.68/x
  3. Step 3: Cross multiply
    121,660,066.60x = 182,530,841.82 × 39,782,720.68
  4. Step 4: Simplify right side
    121,660,066.60x = 7,261,573,495,610,322
  5. Step 5: Solve for x
    x = 7,261,573,495,610,322/121,660,066.60
  6. Step 6: Final answer
    x = 59,687,403.59

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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.