Home / 103,642,611.36-155,359,874.16-35,438,658.72

Finding the Fourth Proportional to 103,642,611.36, 155,359,874.16 and 35,438,658.72

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Solution

The fourth proportional to 103,642,611.36, 155,359,874.16 and 35,438,658.72 is: 53,122,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,642,611.36 : 155,359,874.16 = 35,438,658.72 : x
  2. Step 2: Convert to fraction form
    103,642,611.36/155,359,874.16 = 35,438,658.72/x
  3. Step 3: Cross multiply
    103,642,611.36x = 155,359,874.16 × 35,438,658.72
  4. Step 4: Simplify right side
    103,642,611.36x = 5,505,745,559,138,386
  5. Step 5: Solve for x
    x = 5,505,745,559,138,386/103,642,611.36
  6. Step 6: Final answer
    x = 53,122,412.56

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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.