Home / 353,537,140.92-487,896,464.52-196,904,317.56

Finding the Fourth Proportional to 353,537,140.92, 487,896,464.52 and 196,904,317.56

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Solution

The fourth proportional to 353,537,140.92, 487,896,464.52 and 196,904,317.56 is: 271,736,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,537,140.92 : 487,896,464.52 = 196,904,317.56 : x
  2. Step 2: Convert to fraction form
    353,537,140.92/487,896,464.52 = 196,904,317.56/x
  3. Step 3: Cross multiply
    353,537,140.92x = 487,896,464.52 × 196,904,317.56
  4. Step 4: Simplify right side
    353,537,140.92x = 96,068,920,386,247,344
  5. Step 5: Solve for x
    x = 96,068,920,386,247,344/353,537,140.92
  6. Step 6: Final answer
    x = 271,736,429.55

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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.