Home / 125,085,065.13-172,627,731.63-69,347,975.85

Finding the Fourth Proportional to 125,085,065.13, 172,627,731.63 and 69,347,975.85

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Solution

The fourth proportional to 125,085,065.13, 172,627,731.63 and 69,347,975.85 is: 95,705,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,085,065.13 : 172,627,731.63 = 69,347,975.85 : x
  2. Step 2: Convert to fraction form
    125,085,065.13/172,627,731.63 = 69,347,975.85/x
  3. Step 3: Cross multiply
    125,085,065.13x = 172,627,731.63 × 69,347,975.85
  4. Step 4: Simplify right side
    125,085,065.13x = 11,971,383,764,117,520
  5. Step 5: Solve for x
    x = 11,971,383,764,117,520/125,085,065.13
  6. Step 6: Final answer
    x = 95,705,940.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.