Home / 66,384,640.80-99,576,961.20-62,133,112.80

Finding the Fourth Proportional to 66,384,640.80, 99,576,961.20 and 62,133,112.80

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Solution

The fourth proportional to 66,384,640.80, 99,576,961.20 and 62,133,112.80 is: 93,199,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384,640.80 : 99,576,961.20 = 62,133,112.80 : x
  2. Step 2: Convert to fraction form
    66,384,640.80/99,576,961.20 = 62,133,112.80/x
  3. Step 3: Cross multiply
    66,384,640.80x = 99,576,961.20 × 62,133,112.80
  4. Step 4: Simplify right side
    66,384,640.80x = 6,187,026,562,520,823
  5. Step 5: Solve for x
    x = 6,187,026,562,520,823/66,384,640.80
  6. Step 6: Final answer
    x = 93,199,669.20

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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.