Home / 82,999,096.20-124,498,644.30-39,857,896.80

Finding the Fourth Proportional to 82,999,096.20, 124,498,644.30 and 39,857,896.80

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Solution

The fourth proportional to 82,999,096.20, 124,498,644.30 and 39,857,896.80 is: 59,786,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,999,096.20 : 124,498,644.30 = 39,857,896.80 : x
  2. Step 2: Convert to fraction form
    82,999,096.20/124,498,644.30 = 39,857,896.80/x
  3. Step 3: Cross multiply
    82,999,096.20x = 124,498,644.30 × 39,857,896.80
  4. Step 4: Simplify right side
    82,999,096.20x = 4,962,254,116,249,308
  5. Step 5: Solve for x
    x = 4,962,254,116,249,308/82,999,096.20
  6. Step 6: Final answer
    x = 59,786,845.20

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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.