Home / 53,189,915.24-73,398,919.67-30,861,171.51

Finding the Fourth Proportional to 53,189,915.24, 73,398,919.67 and 30,861,171.51

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Solution

The fourth proportional to 53,189,915.24, 73,398,919.67 and 30,861,171.51 is: 42,586,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189,915.24 : 73,398,919.67 = 30,861,171.51 : x
  2. Step 2: Convert to fraction form
    53,189,915.24/73,398,919.67 = 30,861,171.51/x
  3. Step 3: Cross multiply
    53,189,915.24x = 73,398,919.67 × 30,861,171.51
  4. Step 4: Simplify right side
    53,189,915.24x = 2,265,176,648,063,282.50
  5. Step 5: Solve for x
    x = 2,265,176,648,063,282.50/53,189,915.24
  6. Step 6: Final answer
    x = 42,586,581.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.