Home / 84,999,765.80-127,287,072.30-67,993,653.80

Finding the Fourth Proportional to 84,999,765.80, 127,287,072.30 and 67,993,653.80

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Solution

The fourth proportional to 84,999,765.80, 127,287,072.30 and 67,993,653.80 is: 101,820,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,999,765.80 : 127,287,072.30 = 67,993,653.80 : x
  2. Step 2: Convert to fraction form
    84,999,765.80/127,287,072.30 = 67,993,653.80/x
  3. Step 3: Cross multiply
    84,999,765.80x = 127,287,072.30 × 67,993,653.80
  4. Step 4: Simplify right side
    84,999,765.80x = 8,654,713,127,181,769
  5. Step 5: Solve for x
    x = 8,654,713,127,181,769/84,999,765.80
  6. Step 6: Final answer
    x = 101,820,434.98

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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.