Home / 172,575,731.40-258,899,952.94-55,981,983.46

Finding the Fourth Proportional to 172,575,731.40, 258,899,952.94 and 55,981,983.46

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Solution

The fourth proportional to 172,575,731.40, 258,899,952.94 and 55,981,983.46 is: 83,984,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,575,731.40 : 258,899,952.94 = 55,981,983.46 : x
  2. Step 2: Convert to fraction form
    172,575,731.40/258,899,952.94 = 55,981,983.46/x
  3. Step 3: Cross multiply
    172,575,731.40x = 258,899,952.94 × 55,981,983.46
  4. Step 4: Simplify right side
    172,575,731.40x = 14,493,732,883,281,858
  5. Step 5: Solve for x
    x = 14,493,732,883,281,858/172,575,731.40
  6. Step 6: Final answer
    x = 83,984,768.69

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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.