Home / 219,589,913.32-329,385,639.84-55,827,687.52

Finding the Fourth Proportional to 219,589,913.32, 329,385,639.84 and 55,827,687.52

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Solution

The fourth proportional to 219,589,913.32, 329,385,639.84 and 55,827,687.52 is: 83,741,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,589,913.32 : 329,385,639.84 = 55,827,687.52 : x
  2. Step 2: Convert to fraction form
    219,589,913.32/329,385,639.84 = 55,827,687.52/x
  3. Step 3: Cross multiply
    219,589,913.32x = 329,385,639.84 × 55,827,687.52
  4. Step 4: Simplify right side
    219,589,913.32x = 18,388,838,574,562,784
  5. Step 5: Solve for x
    x = 18,388,838,574,562,784/219,589,913.32
  6. Step 6: Final answer
    x = 83,741,727.01

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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.