Home / 279,604,808.60-419,257,913.70-117,864,008.60

Finding the Fourth Proportional to 279,604,808.60, 419,257,913.70 and 117,864,008.60

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Solution

The fourth proportional to 279,604,808.60, 419,257,913.70 and 117,864,008.60 is: 176,733,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,604,808.60 : 419,257,913.70 = 117,864,008.60 : x
  2. Step 2: Convert to fraction form
    279,604,808.60/419,257,913.70 = 117,864,008.60/x
  3. Step 3: Cross multiply
    279,604,808.60x = 419,257,913.70 × 117,864,008.60
  4. Step 4: Simplify right side
    279,604,808.60x = 49,415,418,345,954,856
  5. Step 5: Solve for x
    x = 49,415,418,345,954,856/279,604,808.60
  6. Step 6: Final answer
    x = 176,733,077.64

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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.