Home / 216,344,951.72-298,557,072.95-117,225,673.12

Finding the Fourth Proportional to 216,344,951.72, 298,557,072.95 and 117,225,673.12

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Solution

The fourth proportional to 216,344,951.72, 298,557,072.95 and 117,225,673.12 is: 161,771,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,951.72 : 298,557,072.95 = 117,225,673.12 : x
  2. Step 2: Convert to fraction form
    216,344,951.72/298,557,072.95 = 117,225,673.12/x
  3. Step 3: Cross multiply
    216,344,951.72x = 298,557,072.95 × 117,225,673.12
  4. Step 4: Simplify right side
    216,344,951.72x = 34,998,553,841,300,696
  5. Step 5: Solve for x
    x = 34,998,553,841,300,696/216,344,951.72
  6. Step 6: Final answer
    x = 161,771,992.20

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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.