Home / 115,085,622.62-172,653,317.13-61,225,106.78

Finding the Fourth Proportional to 115,085,622.62, 172,653,317.13 and 61,225,106.78

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Solution

The fourth proportional to 115,085,622.62, 172,653,317.13 and 61,225,106.78 is: 91,850,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,085,622.62 : 172,653,317.13 = 61,225,106.78 : x
  2. Step 2: Convert to fraction form
    115,085,622.62/172,653,317.13 = 61,225,106.78/x
  3. Step 3: Cross multiply
    115,085,622.62x = 172,653,317.13 × 61,225,106.78
  4. Step 4: Simplify right side
    115,085,622.62x = 10,570,717,777,205,454
  5. Step 5: Solve for x
    x = 10,570,717,777,205,454/115,085,622.62
  6. Step 6: Final answer
    x = 91,850,897.94

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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.