Home / 120,861,348.30-181,292,022.45-40,082,316.30

Finding the Fourth Proportional to 120,861,348.30, 181,292,022.45 and 40,082,316.30

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Solution

The fourth proportional to 120,861,348.30, 181,292,022.45 and 40,082,316.30 is: 60,123,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,861,348.30 : 181,292,022.45 = 40,082,316.30 : x
  2. Step 2: Convert to fraction form
    120,861,348.30/181,292,022.45 = 40,082,316.30/x
  3. Step 3: Cross multiply
    120,861,348.30x = 181,292,022.45 × 40,082,316.30
  4. Step 4: Simplify right side
    120,861,348.30x = 7,266,604,186,507,600
  5. Step 5: Solve for x
    x = 7,266,604,186,507,600/120,861,348.30
  6. Step 6: Final answer
    x = 60,123,474.45

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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.