Home / 216,438,587.73-298,677,249.20-117,317,207.01

Finding the Fourth Proportional to 216,438,587.73, 298,677,249.20 and 117,317,207.01

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Solution

The fourth proportional to 216,438,587.73, 298,677,249.20 and 117,317,207.01 is: 161,893,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,587.73 : 298,677,249.20 = 117,317,207.01 : x
  2. Step 2: Convert to fraction form
    216,438,587.73/298,677,249.20 = 117,317,207.01/x
  3. Step 3: Cross multiply
    216,438,587.73x = 298,677,249.20 × 117,317,207.01
  4. Step 4: Simplify right side
    216,438,587.73x = 35,039,980,672,453,716
  5. Step 5: Solve for x
    x = 35,039,980,672,453,716/216,438,587.73
  6. Step 6: Final answer
    x = 161,893,408.38

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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.