Home / 98,880,960.80-148,384,426.80-57,940,320.80

Finding the Fourth Proportional to 98,880,960.80, 148,384,426.80 and 57,940,320.80

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Solution

The fourth proportional to 98,880,960.80, 148,384,426.80 and 57,940,320.80 is: 86,947,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880,960.80 : 148,384,426.80 = 57,940,320.80 : x
  2. Step 2: Convert to fraction form
    98,880,960.80/148,384,426.80 = 57,940,320.80/x
  3. Step 3: Cross multiply
    98,880,960.80x = 148,384,426.80 × 57,940,320.80
  4. Step 4: Simplify right side
    98,880,960.80x = 8,597,441,290,516,118
  5. Step 5: Solve for x
    x = 8,597,441,290,516,118/98,880,960.80
  6. Step 6: Final answer
    x = 86,947,388.26

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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.