Home / 101,121,679.40-151,283,421.56-77,916,812.56

Finding the Fourth Proportional to 101,121,679.40, 151,283,421.56 and 77,916,812.56

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Solution

The fourth proportional to 101,121,679.40, 151,283,421.56 and 77,916,812.56 is: 116,567,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121,679.40 : 151,283,421.56 = 77,916,812.56 : x
  2. Step 2: Convert to fraction form
    101,121,679.40/151,283,421.56 = 77,916,812.56/x
  3. Step 3: Cross multiply
    101,121,679.40x = 151,283,421.56 × 77,916,812.56
  4. Step 4: Simplify right side
    101,121,679.40x = 11,787,522,000,942,566
  5. Step 5: Solve for x
    x = 11,787,522,000,942,566/101,121,679.40
  6. Step 6: Final answer
    x = 116,567,704.09

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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.