Home / 49,846,627.20-74,713,953.60-21,087,868.80

Finding the Fourth Proportional to 49,846,627.20, 74,713,953.60 and 21,087,868.80

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Solution

The fourth proportional to 49,846,627.20, 74,713,953.60 and 21,087,868.80 is: 31,608,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846,627.20 : 74,713,953.60 = 21,087,868.80 : x
  2. Step 2: Convert to fraction form
    49,846,627.20/74,713,953.60 = 21,087,868.80/x
  3. Step 3: Cross multiply
    49,846,627.20x = 74,713,953.60 × 21,087,868.80
  4. Step 4: Simplify right side
    49,846,627.20x = 1,575,558,051,046,087.50
  5. Step 5: Solve for x
    x = 1,575,558,051,046,087.50/49,846,627.20
  6. Step 6: Final answer
    x = 31,608,117.53

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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.