Home / 71,751,919.56-99,017,622.55-39,156,871.56

Finding the Fourth Proportional to 71,751,919.56, 99,017,622.55 and 39,156,871.56

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Solution

The fourth proportional to 71,751,919.56, 99,017,622.55 and 39,156,871.56 is: 54,036,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,751,919.56 : 99,017,622.55 = 39,156,871.56 : x
  2. Step 2: Convert to fraction form
    71,751,919.56/99,017,622.55 = 39,156,871.56/x
  3. Step 3: Cross multiply
    71,751,919.56x = 99,017,622.55 × 39,156,871.56
  4. Step 4: Simplify right side
    71,751,919.56x = 3,877,220,328,366,910
  5. Step 5: Solve for x
    x = 3,877,220,328,366,910/71,751,919.56
  6. Step 6: Final answer
    x = 54,036,468.32

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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.