Home / 74,771,154.80-112,156,732.20-40,758,930.80

Finding the Fourth Proportional to 74,771,154.80, 112,156,732.20 and 40,758,930.80

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Solution

The fourth proportional to 74,771,154.80, 112,156,732.20 and 40,758,930.80 is: 61,138,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,771,154.80 : 112,156,732.20 = 40,758,930.80 : x
  2. Step 2: Convert to fraction form
    74,771,154.80/112,156,732.20 = 40,758,930.80/x
  3. Step 3: Cross multiply
    74,771,154.80x = 112,156,732.20 × 40,758,930.80
  4. Step 4: Simplify right side
    74,771,154.80x = 4,571,388,486,493,932
  5. Step 5: Solve for x
    x = 4,571,388,486,493,932/74,771,154.80
  6. Step 6: Final answer
    x = 61,138,396.20

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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.