Home / 69,119,321.10-103,678,271.55-39,954,602.85

Finding the Fourth Proportional to 69,119,321.10, 103,678,271.55 and 39,954,602.85

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Solution

The fourth proportional to 69,119,321.10, 103,678,271.55 and 39,954,602.85 is: 59,931,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119,321.10 : 103,678,271.55 = 39,954,602.85 : x
  2. Step 2: Convert to fraction form
    69,119,321.10/103,678,271.55 = 39,954,602.85/x
  3. Step 3: Cross multiply
    69,119,321.10x = 103,678,271.55 × 39,954,602.85
  4. Step 4: Simplify right side
    69,119,321.10x = 4,142,424,163,954,704
  5. Step 5: Solve for x
    x = 4,142,424,163,954,704/69,119,321.10
  6. Step 6: Final answer
    x = 59,931,493.80

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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.