Home / 69,679,943.52-104,513,161.20-21,158,223.84

Finding the Fourth Proportional to 69,679,943.52, 104,513,161.20 and 21,158,223.84

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Solution

The fourth proportional to 69,679,943.52, 104,513,161.20 and 21,158,223.84 is: 31,735,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679,943.52 : 104,513,161.20 = 21,158,223.84 : x
  2. Step 2: Convert to fraction form
    69,679,943.52/104,513,161.20 = 21,158,223.84/x
  3. Step 3: Cross multiply
    69,679,943.52x = 104,513,161.20 × 21,158,223.84
  4. Step 4: Simplify right side
    69,679,943.52x = 2,211,312,858,895,603
  5. Step 5: Solve for x
    x = 2,211,312,858,895,603/69,679,943.52
  6. Step 6: Final answer
    x = 31,735,284.89

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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.