Home / 181,738,123.30-272,681,834.55-66,777,739.30

Finding the Fourth Proportional to 181,738,123.30, 272,681,834.55 and 66,777,739.30

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Solution

The fourth proportional to 181,738,123.30, 272,681,834.55 and 66,777,739.30 is: 100,194,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738,123.30 : 272,681,834.55 = 66,777,739.30 : x
  2. Step 2: Convert to fraction form
    181,738,123.30/272,681,834.55 = 66,777,739.30/x
  3. Step 3: Cross multiply
    181,738,123.30x = 272,681,834.55 × 66,777,739.30
  4. Step 4: Simplify right side
    181,738,123.30x = 18,209,076,459,425,632
  5. Step 5: Solve for x
    x = 18,209,076,459,425,632/181,738,123.30
  6. Step 6: Final answer
    x = 100,194,038.15

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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.