Home / 235,356,138.89-324,794,410.08-129,521,730.50

Finding the Fourth Proportional to 235,356,138.89, 324,794,410.08 and 129,521,730.50

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Solution

The fourth proportional to 235,356,138.89, 324,794,410.08 and 129,521,730.50 is: 178,741,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,356,138.89 : 324,794,410.08 = 129,521,730.50 : x
  2. Step 2: Convert to fraction form
    235,356,138.89/324,794,410.08 = 129,521,730.50/x
  3. Step 3: Cross multiply
    235,356,138.89x = 324,794,410.08 × 129,521,730.50
  4. Step 4: Simplify right side
    235,356,138.89x = 42,067,934,050,288,240
  5. Step 5: Solve for x
    x = 42,067,934,050,288,240/235,356,138.89
  6. Step 6: Final answer
    x = 178,741,605.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.