Home / 216,344,997.72-298,556,359.02-117,225,667.08

Finding the Fourth Proportional to 216,344,997.72, 298,556,359.02 and 117,225,667.08

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Solution

The fourth proportional to 216,344,997.72, 298,556,359.02 and 117,225,667.08 is: 161,771,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,997.72 : 298,556,359.02 = 117,225,667.08 : x
  2. Step 2: Convert to fraction form
    216,344,997.72/298,556,359.02 = 117,225,667.08/x
  3. Step 3: Cross multiply
    216,344,997.72x = 298,556,359.02 × 117,225,667.08
  4. Step 4: Simplify right side
    216,344,997.72x = 34,998,468,347,095,472
  5. Step 5: Solve for x
    x = 34,998,468,347,095,472/216,344,997.72
  6. Step 6: Final answer
    x = 161,771,562.62

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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.