Home / 117,014,421.62-161,402,148.33-75,251,288.18

Finding the Fourth Proportional to 117,014,421.62, 161,402,148.33 and 75,251,288.18

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Solution

The fourth proportional to 117,014,421.62, 161,402,148.33 and 75,251,288.18 is: 103,796,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,014,421.62 : 161,402,148.33 = 75,251,288.18 : x
  2. Step 2: Convert to fraction form
    117,014,421.62/161,402,148.33 = 75,251,288.18/x
  3. Step 3: Cross multiply
    117,014,421.62x = 161,402,148.33 × 75,251,288.18
  4. Step 4: Simplify right side
    117,014,421.62x = 12,145,719,576,851,938
  5. Step 5: Solve for x
    x = 12,145,719,576,851,938/117,014,421.62
  6. Step 6: Final answer
    x = 103,796,774.87

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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.