Home / 172,032,043.20-258,048,064.80-76,293,931.20

Finding the Fourth Proportional to 172,032,043.20, 258,048,064.80 and 76,293,931.20

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Solution

The fourth proportional to 172,032,043.20, 258,048,064.80 and 76,293,931.20 is: 114,440,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,032,043.20 : 258,048,064.80 = 76,293,931.20 : x
  2. Step 2: Convert to fraction form
    172,032,043.20/258,048,064.80 = 76,293,931.20/x
  3. Step 3: Cross multiply
    172,032,043.20x = 258,048,064.80 × 76,293,931.20
  4. Step 4: Simplify right side
    172,032,043.20x = 19,687,501,302,144,344
  5. Step 5: Solve for x
    x = 19,687,501,302,144,344/172,032,043.20
  6. Step 6: Final answer
    x = 114,440,896.80

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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.