Home / 69,557,645.80-104,294,996.70-42,650,612.20

Finding the Fourth Proportional to 69,557,645.80, 104,294,996.70 and 42,650,612.20

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Solution

The fourth proportional to 69,557,645.80, 104,294,996.70 and 42,650,612.20 is: 63,950,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557,645.80 : 104,294,996.70 = 42,650,612.20 : x
  2. Step 2: Convert to fraction form
    69,557,645.80/104,294,996.70 = 42,650,612.20/x
  3. Step 3: Cross multiply
    69,557,645.80x = 104,294,996.70 × 42,650,612.20
  4. Step 4: Simplify right side
    69,557,645.80x = 4,448,245,458,651,980
  5. Step 5: Solve for x
    x = 4,448,245,458,651,980/69,557,645.80
  6. Step 6: Final answer
    x = 63,950,488.94

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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.