Home / 123,672,021.40-172,914,081.80-123,672,021.40

Finding the Fourth Proportional to 123,672,021.40, 172,914,081.80 and 123,672,021.40

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Solution

The fourth proportional to 123,672,021.40, 172,914,081.80 and 123,672,021.40 is: 172,914,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,672,021.40 : 172,914,081.80 = 123,672,021.40 : x
  2. Step 2: Convert to fraction form
    123,672,021.40/172,914,081.80 = 123,672,021.40/x
  3. Step 3: Cross multiply
    123,672,021.40x = 172,914,081.80 × 123,672,021.40
  4. Step 4: Simplify right side
    123,672,021.40x = 21,384,634,024,730,952
  5. Step 5: Solve for x
    x = 21,384,634,024,730,952/123,672,021.40
  6. Step 6: Final answer
    x = 172,914,081.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.