Home / 93,218,785.77-139,828,620.92-28,522,487.64

Finding the Fourth Proportional to 93,218,785.77, 139,828,620.92 and 28,522,487.64

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Solution

The fourth proportional to 93,218,785.77, 139,828,620.92 and 28,522,487.64 is: 42,783,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,218,785.77 : 139,828,620.92 = 28,522,487.64 : x
  2. Step 2: Convert to fraction form
    93,218,785.77/139,828,620.92 = 28,522,487.64/x
  3. Step 3: Cross multiply
    93,218,785.77x = 139,828,620.92 × 28,522,487.64
  4. Step 4: Simplify right side
    93,218,785.77x = 3,988,260,111,766,333
  5. Step 5: Solve for x
    x = 3,988,260,111,766,333/93,218,785.77
  6. Step 6: Final answer
    x = 42,783,866.78

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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.