Home / 43,143,938.45-64,479,505.60-31,496,836.97

Finding the Fourth Proportional to 43,143,938.45, 64,479,505.60 and 31,496,836.97

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Solution

The fourth proportional to 43,143,938.45, 64,479,505.60 and 31,496,836.97 is: 47,072,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143,938.45 : 64,479,505.60 = 31,496,836.97 : x
  2. Step 2: Convert to fraction form
    43,143,938.45/64,479,505.60 = 31,496,836.97/x
  3. Step 3: Cross multiply
    43,143,938.45x = 64,479,505.60 × 31,496,836.97
  4. Step 4: Simplify right side
    43,143,938.45x = 2,030,900,475,789,402
  5. Step 5: Solve for x
    x = 2,030,900,475,789,402/43,143,938.45
  6. Step 6: Final answer
    x = 47,072,672.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.