Home / 90,711,382.71-125,191,313.37-55,449,828.32

Finding the Fourth Proportional to 90,711,382.71, 125,191,313.37 and 55,449,828.32

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Solution

The fourth proportional to 90,711,382.71, 125,191,313.37 and 55,449,828.32 is: 76,526,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,711,382.71 : 125,191,313.37 = 55,449,828.32 : x
  2. Step 2: Convert to fraction form
    90,711,382.71/125,191,313.37 = 55,449,828.32/x
  3. Step 3: Cross multiply
    90,711,382.71x = 125,191,313.37 × 55,449,828.32
  4. Step 4: Simplify right side
    90,711,382.71x = 6,941,836,833,423,922
  5. Step 5: Solve for x
    x = 6,941,836,833,423,922/90,711,382.71
  6. Step 6: Final answer
    x = 76,526,634.54

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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.