Home / 43,019,711.70-64,529,567.55-39,618,489.30

Finding the Fourth Proportional to 43,019,711.70, 64,529,567.55 and 39,618,489.30

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Solution

The fourth proportional to 43,019,711.70, 64,529,567.55 and 39,618,489.30 is: 59,427,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019,711.70 : 64,529,567.55 = 39,618,489.30 : x
  2. Step 2: Convert to fraction form
    43,019,711.70/64,529,567.55 = 39,618,489.30/x
  3. Step 3: Cross multiply
    43,019,711.70x = 64,529,567.55 × 39,618,489.30
  4. Step 4: Simplify right side
    43,019,711.70x = 2,556,563,981,513,302
  5. Step 5: Solve for x
    x = 2,556,563,981,513,302/43,019,711.70
  6. Step 6: Final answer
    x = 59,427,733.95

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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.