Home / 61,739,128.20-92,617,494.08-20,231,125.72

Finding the Fourth Proportional to 61,739,128.20, 92,617,494.08 and 20,231,125.72

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Solution

The fourth proportional to 61,739,128.20, 92,617,494.08 and 20,231,125.72 is: 30,349,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739,128.20 : 92,617,494.08 = 20,231,125.72 : x
  2. Step 2: Convert to fraction form
    61,739,128.20/92,617,494.08 = 20,231,125.72/x
  3. Step 3: Cross multiply
    61,739,128.20x = 92,617,494.08 × 20,231,125.72
  4. Step 4: Simplify right side
    61,739,128.20x = 1,873,756,166,603,835.50
  5. Step 5: Solve for x
    x = 1,873,756,166,603,835.50/61,739,128.20
  6. Step 6: Final answer
    x = 30,349,572.81

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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.