Home / 39,856,811.70-59,785,217.55-30,220,014.90

Finding the Fourth Proportional to 39,856,811.70, 59,785,217.55 and 30,220,014.90

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Solution

The fourth proportional to 39,856,811.70, 59,785,217.55 and 30,220,014.90 is: 45,330,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,811.70 : 59,785,217.55 = 30,220,014.90 : x
  2. Step 2: Convert to fraction form
    39,856,811.70/59,785,217.55 = 30,220,014.90/x
  3. Step 3: Cross multiply
    39,856,811.70x = 59,785,217.55 × 30,220,014.90
  4. Step 4: Simplify right side
    39,856,811.70x = 1,806,710,165,160,741.25
  5. Step 5: Solve for x
    x = 1,806,710,165,160,741.25/39,856,811.70
  6. Step 6: Final answer
    x = 45,330,022.35

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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.