Home / 101,982,643.04-140,735,268.24-55,572,753.44

Finding the Fourth Proportional to 101,982,643.04, 140,735,268.24 and 55,572,753.44

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Solution

The fourth proportional to 101,982,643.04, 140,735,268.24 and 55,572,753.44 is: 76,689,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,982,643.04 : 140,735,268.24 = 55,572,753.44 : x
  2. Step 2: Convert to fraction form
    101,982,643.04/140,735,268.24 = 55,572,753.44/x
  3. Step 3: Cross multiply
    101,982,643.04x = 140,735,268.24 × 55,572,753.44
  4. Step 4: Simplify right side
    101,982,643.04x = 7,821,046,362,213,783
  5. Step 5: Solve for x
    x = 7,821,046,362,213,783/101,982,643.04
  6. Step 6: Final answer
    x = 76,689,975.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.