Home / 72,420,639.11-99,937,439.78-41,060,797.77

Finding the Fourth Proportional to 72,420,639.11, 99,937,439.78 and 41,060,797.77

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Solution

The fourth proportional to 72,420,639.11, 99,937,439.78 and 41,060,797.77 is: 56,662,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,639.11 : 99,937,439.78 = 41,060,797.77 : x
  2. Step 2: Convert to fraction form
    72,420,639.11/99,937,439.78 = 41,060,797.77/x
  3. Step 3: Cross multiply
    72,420,639.11x = 99,937,439.78 × 41,060,797.77
  4. Step 4: Simplify right side
    72,420,639.11x = 4,103,511,004,252,830
  5. Step 5: Solve for x
    x = 4,103,511,004,252,830/72,420,639.11
  6. Step 6: Final answer
    x = 56,662,176.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.