Home / 124,845,543.80-187,268,315.70-109,728,999.80

Finding the Fourth Proportional to 124,845,543.80, 187,268,315.70 and 109,728,999.80

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Solution

The fourth proportional to 124,845,543.80, 187,268,315.70 and 109,728,999.80 is: 164,593,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845,543.80 : 187,268,315.70 = 109,728,999.80 : x
  2. Step 2: Convert to fraction form
    124,845,543.80/187,268,315.70 = 109,728,999.80/x
  3. Step 3: Cross multiply
    124,845,543.80x = 187,268,315.70 × 109,728,999.80
  4. Step 4: Simplify right side
    124,845,543.80x = 20,548,764,975,991,636
  5. Step 5: Solve for x
    x = 20,548,764,975,991,636/124,845,543.80
  6. Step 6: Final answer
    x = 164,593,499.70

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1.5x scale

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.