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Finding the Fourth Proportional to 304,893,971.02, 457,340,051.49 and 86,544,497.85

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Solution

The fourth proportional to 304,893,971.02, 457,340,051.49 and 86,544,497.85 is: 129,816,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,893,971.02 : 457,340,051.49 = 86,544,497.85 : x
  2. Step 2: Convert to fraction form
    304,893,971.02/457,340,051.49 = 86,544,497.85/x
  3. Step 3: Cross multiply
    304,893,971.02x = 457,340,051.49 × 86,544,497.85
  4. Step 4: Simplify right side
    304,893,971.02x = 39,580,265,102,895,192
  5. Step 5: Solve for x
    x = 39,580,265,102,895,192/304,893,971.02
  6. Step 6: Final answer
    x = 129,816,489.88

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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.