Home / 82,811,464.80-124,123,885.20-39,701,320.80

Finding the Fourth Proportional to 82,811,464.80, 124,123,885.20 and 39,701,320.80

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Solution

The fourth proportional to 82,811,464.80, 124,123,885.20 and 39,701,320.80 is: 59,507,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,464.80 : 124,123,885.20 = 39,701,320.80 : x
  2. Step 2: Convert to fraction form
    82,811,464.80/124,123,885.20 = 39,701,320.80/x
  3. Step 3: Cross multiply
    82,811,464.80x = 124,123,885.20 × 39,701,320.80
  4. Step 4: Simplify right side
    82,811,464.80x = 4,927,882,185,267,572
  5. Step 5: Solve for x
    x = 4,927,882,185,267,572/82,811,464.80
  6. Step 6: Final answer
    x = 59,507,245.73

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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.