Home / 49,845,947.40-74,642,949.90-39,768,251.40

Finding the Fourth Proportional to 49,845,947.40, 74,642,949.90 and 39,768,251.40

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Solution

The fourth proportional to 49,845,947.40, 74,642,949.90 and 39,768,251.40 is: 59,551,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845,947.40 : 74,642,949.90 = 39,768,251.40 : x
  2. Step 2: Convert to fraction form
    49,845,947.40/74,642,949.90 = 39,768,251.40/x
  3. Step 3: Cross multiply
    49,845,947.40x = 74,642,949.90 × 39,768,251.40
  4. Step 4: Simplify right side
    49,845,947.40x = 2,968,419,596,860,805
  5. Step 5: Solve for x
    x = 2,968,419,596,860,805/49,845,947.40
  6. Step 6: Final answer
    x = 59,551,874.36

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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.