Home / 101,978,311.50-152,967,276.09-31,953,901.17

Finding the Fourth Proportional to 101,978,311.50, 152,967,276.09 and 31,953,901.17

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Solution

The fourth proportional to 101,978,311.50, 152,967,276.09 and 31,953,901.17 is: 47,930,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,978,311.50 : 152,967,276.09 = 31,953,901.17 : x
  2. Step 2: Convert to fraction form
    101,978,311.50/152,967,276.09 = 31,953,901.17/x
  3. Step 3: Cross multiply
    101,978,311.50x = 152,967,276.09 × 31,953,901.17
  4. Step 4: Simplify right side
    101,978,311.50x = 4,887,901,222,423,964
  5. Step 5: Solve for x
    x = 4,887,901,222,423,964/101,978,311.50
  6. Step 6: Final answer
    x = 47,930,791.86

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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.