Home / 87,552,283.20-131,328,424.80-82,849,358.40

Finding the Fourth Proportional to 87,552,283.20, 131,328,424.80 and 82,849,358.40

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Solution

The fourth proportional to 87,552,283.20, 131,328,424.80 and 82,849,358.40 is: 124,274,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,283.20 : 131,328,424.80 = 82,849,358.40 : x
  2. Step 2: Convert to fraction form
    87,552,283.20/131,328,424.80 = 82,849,358.40/x
  3. Step 3: Cross multiply
    87,552,283.20x = 131,328,424.80 × 82,849,358.40
  4. Step 4: Simplify right side
    87,552,283.20x = 10,880,475,734,362,648
  5. Step 5: Solve for x
    x = 10,880,475,734,362,648/87,552,283.20
  6. Step 6: Final answer
    x = 124,274,037.60

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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.