Home / 52,488,066.30-78,732,099.45-45,181,736.70

Finding the Fourth Proportional to 52,488,066.30, 78,732,099.45 and 45,181,736.70

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Solution

The fourth proportional to 52,488,066.30, 78,732,099.45 and 45,181,736.70 is: 67,772,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,066.30 : 78,732,099.45 = 45,181,736.70 : x
  2. Step 2: Convert to fraction form
    52,488,066.30/78,732,099.45 = 45,181,736.70/x
  3. Step 3: Cross multiply
    52,488,066.30x = 78,732,099.45 × 45,181,736.70
  4. Step 4: Simplify right side
    52,488,066.30x = 3,557,252,987,188,115
  5. Step 5: Solve for x
    x = 3,557,252,987,188,115/52,488,066.30
  6. Step 6: Final answer
    x = 67,772,605.05

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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.