Home / 181,738,112.80-272,681,818.80-66,777,728.80

Finding the Fourth Proportional to 181,738,112.80, 272,681,818.80 and 66,777,728.80

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Solution

The fourth proportional to 181,738,112.80, 272,681,818.80 and 66,777,728.80 is: 100,194,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738,112.80 : 272,681,818.80 = 66,777,728.80 : x
  2. Step 2: Convert to fraction form
    181,738,112.80/272,681,818.80 = 66,777,728.80/x
  3. Step 3: Cross multiply
    181,738,112.80x = 272,681,818.80 × 66,777,728.80
  4. Step 4: Simplify right side
    181,738,112.80x = 18,209,072,544,517,140
  5. Step 5: Solve for x
    x = 18,209,072,544,517,140/181,738,112.80
  6. Step 6: Final answer
    x = 100,194,022.40

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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.