Home / 242,036,697.60-363,007,807.20-80,478,633.60

Finding the Fourth Proportional to 242,036,697.60, 363,007,807.20 and 80,478,633.60

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Solution

The fourth proportional to 242,036,697.60, 363,007,807.20 and 80,478,633.60 is: 120,702,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,036,697.60 : 363,007,807.20 = 80,478,633.60 : x
  2. Step 2: Convert to fraction form
    242,036,697.60/363,007,807.20 = 80,478,633.60/x
  3. Step 3: Cross multiply
    242,036,697.60x = 363,007,807.20 × 80,478,633.60
  4. Step 4: Simplify right side
    242,036,697.60x = 29,214,372,309,588,240
  5. Step 5: Solve for x
    x = 29,214,372,309,588,240/242,036,697.60
  6. Step 6: Final answer
    x = 120,702,243.09

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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.