Home / 49,846,628.20-74,713,955.10-21,087,869.80

Finding the Fourth Proportional to 49,846,628.20, 74,713,955.10 and 21,087,869.80

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Solution

The fourth proportional to 49,846,628.20, 74,713,955.10 and 21,087,869.80 is: 31,608,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846,628.20 : 74,713,955.10 = 21,087,869.80 : x
  2. Step 2: Convert to fraction form
    49,846,628.20/74,713,955.10 = 21,087,869.80/x
  3. Step 3: Cross multiply
    49,846,628.20x = 74,713,955.10 × 21,087,869.80
  4. Step 4: Simplify right side
    49,846,628.20x = 1,575,558,157,391,846
  5. Step 5: Solve for x
    x = 1,575,558,157,391,846/49,846,628.20
  6. Step 6: Final answer
    x = 31,608,119.03

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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.