Home / 181,991,751.40-272,987,627.10-120,769,748.20

Finding the Fourth Proportional to 181,991,751.40, 272,987,627.10 and 120,769,748.20

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Solution

The fourth proportional to 181,991,751.40, 272,987,627.10 and 120,769,748.20 is: 181,154,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,991,751.40 : 272,987,627.10 = 120,769,748.20 : x
  2. Step 2: Convert to fraction form
    181,991,751.40/272,987,627.10 = 120,769,748.20/x
  3. Step 3: Cross multiply
    181,991,751.40x = 272,987,627.10 × 120,769,748.20
  4. Step 4: Simplify right side
    181,991,751.40x = 32,968,646,986,582,500
  5. Step 5: Solve for x
    x = 32,968,646,986,582,500/181,991,751.40
  6. Step 6: Final answer
    x = 181,154,622.30

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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.