Home / 61,264,659.80-91,896,989.70-54,090,206.30

Finding the Fourth Proportional to 61,264,659.80, 91,896,989.70 and 54,090,206.30

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Solution

The fourth proportional to 61,264,659.80, 91,896,989.70 and 54,090,206.30 is: 81,135,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264,659.80 : 91,896,989.70 = 54,090,206.30 : x
  2. Step 2: Convert to fraction form
    61,264,659.80/91,896,989.70 = 54,090,206.30/x
  3. Step 3: Cross multiply
    61,264,659.80x = 91,896,989.70 × 54,090,206.30
  4. Step 4: Simplify right side
    61,264,659.80x = 4,970,727,131,221,975
  5. Step 5: Solve for x
    x = 4,970,727,131,221,975/61,264,659.80
  6. Step 6: Final answer
    x = 81,135,309.45

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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.