Home / 40,977,981.70-61,466,972.55-38,626,519.30

Finding the Fourth Proportional to 40,977,981.70, 61,466,972.55 and 38,626,519.30

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Solution

The fourth proportional to 40,977,981.70, 61,466,972.55 and 38,626,519.30 is: 57,939,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,977,981.70 : 61,466,972.55 = 38,626,519.30 : x
  2. Step 2: Convert to fraction form
    40,977,981.70/61,466,972.55 = 38,626,519.30/x
  3. Step 3: Cross multiply
    40,977,981.70x = 61,466,972.55 × 38,626,519.30
  4. Step 4: Simplify right side
    40,977,981.70x = 2,374,255,201,515,145
  5. Step 5: Solve for x
    x = 2,374,255,201,515,145/40,977,981.70
  6. Step 6: Final answer
    x = 57,939,778.95

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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.