Home / 312,118,705.20-468,036,340.20-117,965,593.20

Finding the Fourth Proportional to 312,118,705.20, 468,036,340.20 and 117,965,593.20

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Solution

The fourth proportional to 312,118,705.20, 468,036,340.20 and 117,965,593.20 is: 176,894,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,118,705.20 : 468,036,340.20 = 117,965,593.20 : x
  2. Step 2: Convert to fraction form
    312,118,705.20/468,036,340.20 = 117,965,593.20/x
  3. Step 3: Cross multiply
    312,118,705.20x = 468,036,340.20 × 117,965,593.20
  4. Step 4: Simplify right side
    312,118,705.20x = 55,212,184,510,850,008
  5. Step 5: Solve for x
    x = 55,212,184,510,850,008/312,118,705.20
  6. Step 6: Final answer
    x = 176,894,827.48

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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.