Home / 81,336,465.87-122,004,432.66-29,520,999.45

Finding the Fourth Proportional to 81,336,465.87, 122,004,432.66 and 29,520,999.45

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Solution

The fourth proportional to 81,336,465.87, 122,004,432.66 and 29,520,999.45 is: 44,281,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336,465.87 : 122,004,432.66 = 29,520,999.45 : x
  2. Step 2: Convert to fraction form
    81,336,465.87/122,004,432.66 = 29,520,999.45/x
  3. Step 3: Cross multiply
    81,336,465.87x = 122,004,432.66 × 29,520,999.45
  4. Step 4: Simplify right side
    81,336,465.87x = 3,601,692,789,564,125.50
  5. Step 5: Solve for x
    x = 3,601,692,789,564,125.50/81,336,465.87
  6. Step 6: Final answer
    x = 44,281,402.58

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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.