Home / 331,237,721.72-457,102,125.70-180,531,734.88

Finding the Fourth Proportional to 331,237,721.72, 457,102,125.70 and 180,531,734.88

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Solution

The fourth proportional to 331,237,721.72, 457,102,125.70 and 180,531,734.88 is: 249,130,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,237,721.72 : 457,102,125.70 = 180,531,734.88 : x
  2. Step 2: Convert to fraction form
    331,237,721.72/457,102,125.70 = 180,531,734.88/x
  3. Step 3: Cross multiply
    331,237,721.72x = 457,102,125.70 × 180,531,734.88
  4. Step 4: Simplify right side
    331,237,721.72x = 82,521,439,769,956,832
  5. Step 5: Solve for x
    x = 82,521,439,769,956,832/331,237,721.72
  6. Step 6: Final answer
    x = 249,130,562.01

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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.