Home / 72,867,695.10-109,313,789.85-21,754,880.70

Finding the Fourth Proportional to 72,867,695.10, 109,313,789.85 and 21,754,880.70

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Solution

The fourth proportional to 72,867,695.10, 109,313,789.85 and 21,754,880.70 is: 32,635,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,867,695.10 : 109,313,789.85 = 21,754,880.70 : x
  2. Step 2: Convert to fraction form
    72,867,695.10/109,313,789.85 = 21,754,880.70/x
  3. Step 3: Cross multiply
    72,867,695.10x = 109,313,789.85 × 21,754,880.70
  4. Step 4: Simplify right side
    72,867,695.10x = 2,378,108,457,051,620.50
  5. Step 5: Solve for x
    x = 2,378,108,457,051,620.50/72,867,695.10
  6. Step 6: Final answer
    x = 32,635,977.49

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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.