Home / 84,999,741.80-127,287,036.30-67,993,629.80

Finding the Fourth Proportional to 84,999,741.80, 127,287,036.30 and 67,993,629.80

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Solution

The fourth proportional to 84,999,741.80, 127,287,036.30 and 67,993,629.80 is: 101,820,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,999,741.80 : 127,287,036.30 = 67,993,629.80 : x
  2. Step 2: Convert to fraction form
    84,999,741.80/127,287,036.30 = 67,993,629.80/x
  3. Step 3: Cross multiply
    84,999,741.80x = 127,287,036.30 × 67,993,629.80
  4. Step 4: Simplify right side
    84,999,741.80x = 8,654,707,624,521,361
  5. Step 5: Solve for x
    x = 8,654,707,624,521,361/84,999,741.80
  6. Step 6: Final answer
    x = 101,820,398.99

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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.