Home / 74,859,991.20-112,289,986.80-63,900,496.80

Finding the Fourth Proportional to 74,859,991.20, 112,289,986.80 and 63,900,496.80

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Solution

The fourth proportional to 74,859,991.20, 112,289,986.80 and 63,900,496.80 is: 95,850,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859,991.20 : 112,289,986.80 = 63,900,496.80 : x
  2. Step 2: Convert to fraction form
    74,859,991.20/112,289,986.80 = 63,900,496.80/x
  3. Step 3: Cross multiply
    74,859,991.20x = 112,289,986.80 × 63,900,496.80
  4. Step 4: Simplify right side
    74,859,991.20x = 7,175,385,942,185,442
  5. Step 5: Solve for x
    x = 7,175,385,942,185,442/74,859,991.20
  6. Step 6: Final answer
    x = 95,850,745.20

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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.