Home / 49,691,160.21-68,573,151.54-28,786,042.74

Finding the Fourth Proportional to 49,691,160.21, 68,573,151.54 and 28,786,042.74

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Solution

The fourth proportional to 49,691,160.21, 68,573,151.54 and 28,786,042.74 is: 39,724,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691,160.21 : 68,573,151.54 = 28,786,042.74 : x
  2. Step 2: Convert to fraction form
    49,691,160.21/68,573,151.54 = 28,786,042.74/x
  3. Step 3: Cross multiply
    49,691,160.21x = 68,573,151.54 × 28,786,042.74
  4. Step 4: Simplify right side
    49,691,160.21x = 1,973,949,671,046,937
  5. Step 5: Solve for x
    x = 1,973,949,671,046,937/49,691,160.21
  6. Step 6: Final answer
    x = 39,724,362.70

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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.