Home / 82,812,076.80-124,124,803.20-39,701,932.80

Finding the Fourth Proportional to 82,812,076.80, 124,124,803.20 and 39,701,932.80

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Solution

The fourth proportional to 82,812,076.80, 124,124,803.20 and 39,701,932.80 is: 59,508,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,812,076.80 : 124,124,803.20 = 39,701,932.80 : x
  2. Step 2: Convert to fraction form
    82,812,076.80/124,124,803.20 = 39,701,932.80/x
  3. Step 3: Cross multiply
    82,812,076.80x = 124,124,803.20 × 39,701,932.80
  4. Step 4: Simplify right side
    82,812,076.80x = 4,927,994,595,459,625
  5. Step 5: Solve for x
    x = 4,927,994,595,459,625/82,812,076.80
  6. Step 6: Final answer
    x = 59,508,163.37

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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.