Home / 79,415,998.60-119,123,997.90-52,206,219.40

Finding the Fourth Proportional to 79,415,998.60, 119,123,997.90 and 52,206,219.40

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Solution

The fourth proportional to 79,415,998.60, 119,123,997.90 and 52,206,219.40 is: 78,309,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415,998.60 : 119,123,997.90 = 52,206,219.40 : x
  2. Step 2: Convert to fraction form
    79,415,998.60/119,123,997.90 = 52,206,219.40/x
  3. Step 3: Cross multiply
    79,415,998.60x = 119,123,997.90 × 52,206,219.40
  4. Step 4: Simplify right side
    79,415,998.60x = 6,219,013,570,172,539
  5. Step 5: Solve for x
    x = 6,219,013,570,172,539/79,415,998.60
  6. Step 6: Final answer
    x = 78,309,329.10

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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.