Home / 78,313,866.66-108,025,245.81-46,502,470.98

Finding the Fourth Proportional to 78,313,866.66, 108,025,245.81 and 46,502,470.98

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Solution

The fourth proportional to 78,313,866.66, 108,025,245.81 and 46,502,470.98 is: 64,144,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,313,866.66 : 108,025,245.81 = 46,502,470.98 : x
  2. Step 2: Convert to fraction form
    78,313,866.66/108,025,245.81 = 46,502,470.98/x
  3. Step 3: Cross multiply
    78,313,866.66x = 108,025,245.81 × 46,502,470.98
  4. Step 4: Simplify right side
    78,313,866.66x = 5,023,440,858,386,891
  5. Step 5: Solve for x
    x = 5,023,440,858,386,891/78,313,866.66
  6. Step 6: Final answer
    x = 64,144,972.95

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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.