Home / 161,489,419.20-242,234,128.80-75,395,977.20

Finding the Fourth Proportional to 161,489,419.20, 242,234,128.80 and 75,395,977.20

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Solution

The fourth proportional to 161,489,419.20, 242,234,128.80 and 75,395,977.20 is: 113,093,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,489,419.20 : 242,234,128.80 = 75,395,977.20 : x
  2. Step 2: Convert to fraction form
    161,489,419.20/242,234,128.80 = 75,395,977.20/x
  3. Step 3: Cross multiply
    161,489,419.20x = 242,234,128.80 × 75,395,977.20
  4. Step 4: Simplify right side
    161,489,419.20x = 18,263,478,852,066,664
  5. Step 5: Solve for x
    x = 18,263,478,852,066,664/161,489,419.20
  6. Step 6: Final answer
    x = 113,093,965.80

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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.