Home / 361,195,194.54-498,440,890.82-212,525,944.91

Finding the Fourth Proportional to 361,195,194.54, 498,440,890.82 and 212,525,944.91

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Solution

The fourth proportional to 361,195,194.54, 498,440,890.82 and 212,525,944.91 is: 293,280,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,195,194.54 : 498,440,890.82 = 212,525,944.91 : x
  2. Step 2: Convert to fraction form
    361,195,194.54/498,440,890.82 = 212,525,944.91/x
  3. Step 3: Cross multiply
    361,195,194.54x = 498,440,890.82 × 212,525,944.91
  4. Step 4: Simplify right side
    361,195,194.54x = 105,931,621,303,302,640
  5. Step 5: Solve for x
    x = 105,931,621,303,302,640/361,195,194.54
  6. Step 6: Final answer
    x = 293,280,815.76

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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.