Home / 39,139,439.20-58,709,158.80-36,305,087.20

Finding the Fourth Proportional to 39,139,439.20, 58,709,158.80 and 36,305,087.20

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Solution

The fourth proportional to 39,139,439.20, 58,709,158.80 and 36,305,087.20 is: 54,457,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139,439.20 : 58,709,158.80 = 36,305,087.20 : x
  2. Step 2: Convert to fraction form
    39,139,439.20/58,709,158.80 = 36,305,087.20/x
  3. Step 3: Cross multiply
    39,139,439.20x = 58,709,158.80 × 36,305,087.20
  4. Step 4: Simplify right side
    39,139,439.20x = 2,131,441,129,672,647.50
  5. Step 5: Solve for x
    x = 2,131,441,129,672,647.50/39,139,439.20
  6. Step 6: Final answer
    x = 54,457,630.80

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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.