Home / 90,804,740.87-125,313,188.79-49,554,290.27

Finding the Fourth Proportional to 90,804,740.87, 125,313,188.79 and 49,554,290.27

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Solution

The fourth proportional to 90,804,740.87, 125,313,188.79 and 49,554,290.27 is: 68,386,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,740.87 : 125,313,188.79 = 49,554,290.27 : x
  2. Step 2: Convert to fraction form
    90,804,740.87/125,313,188.79 = 49,554,290.27/x
  3. Step 3: Cross multiply
    90,804,740.87x = 125,313,188.79 × 49,554,290.27
  4. Step 4: Simplify right side
    90,804,740.87x = 6,209,806,131,332,405
  5. Step 5: Solve for x
    x = 6,209,806,131,332,405/90,804,740.87
  6. Step 6: Final answer
    x = 68,386,364.77

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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.