Home / 42,003,121.60-63,004,682.40-39,452,204.80

Finding the Fourth Proportional to 42,003,121.60, 63,004,682.40 and 39,452,204.80

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Solution

The fourth proportional to 42,003,121.60, 63,004,682.40 and 39,452,204.80 is: 59,178,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,121.60 : 63,004,682.40 = 39,452,204.80 : x
  2. Step 2: Convert to fraction form
    42,003,121.60/63,004,682.40 = 39,452,204.80/x
  3. Step 3: Cross multiply
    42,003,121.60x = 63,004,682.40 × 39,452,204.80
  4. Step 4: Simplify right side
    42,003,121.60x = 2,485,673,633,403,755.50
  5. Step 5: Solve for x
    x = 2,485,673,633,403,755.50/42,003,121.60
  6. Step 6: Final answer
    x = 59,178,307.20

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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.