Home / 98,880,963.80-148,384,431.30-57,940,323.80

Finding the Fourth Proportional to 98,880,963.80, 148,384,431.30 and 57,940,323.80

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Solution

The fourth proportional to 98,880,963.80, 148,384,431.30 and 57,940,323.80 is: 86,947,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880,963.80 : 148,384,431.30 = 57,940,323.80 : x
  2. Step 2: Convert to fraction form
    98,880,963.80/148,384,431.30 = 57,940,323.80/x
  3. Step 3: Cross multiply
    98,880,963.80x = 148,384,431.30 × 57,940,323.80
  4. Step 4: Simplify right side
    98,880,963.80x = 8,597,441,996,400,855
  5. Step 5: Solve for x
    x = 8,597,441,996,400,855/98,880,963.80
  6. Step 6: Final answer
    x = 86,947,392.76

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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.