Home / 49,917,087.60-74,889,628.20-21,176,991.60

Finding the Fourth Proportional to 49,917,087.60, 74,889,628.20 and 21,176,991.60

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Solution

The fourth proportional to 49,917,087.60, 74,889,628.20 and 21,176,991.60 is: 31,771,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917,087.60 : 74,889,628.20 = 21,176,991.60 : x
  2. Step 2: Convert to fraction form
    49,917,087.60/74,889,628.20 = 21,176,991.60/x
  3. Step 3: Cross multiply
    49,917,087.60x = 74,889,628.20 × 21,176,991.60
  4. Step 4: Simplify right side
    49,917,087.60x = 1,585,937,027,318,523.25
  5. Step 5: Solve for x
    x = 1,585,937,027,318,523.25/49,917,087.60
  6. Step 6: Final answer
    x = 31,771,425.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.