Home / 125,302,915.07-172,903,998.60-69,550,685.32

Finding the Fourth Proportional to 125,302,915.07, 172,903,998.60 and 69,550,685.32

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Solution

The fourth proportional to 125,302,915.07, 172,903,998.60 and 69,550,685.32 is: 95,972,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,302,915.07 : 172,903,998.60 = 69,550,685.32 : x
  2. Step 2: Convert to fraction form
    125,302,915.07/172,903,998.60 = 69,550,685.32/x
  3. Step 3: Cross multiply
    125,302,915.07x = 172,903,998.60 × 69,550,685.32
  4. Step 4: Simplify right side
    125,302,915.07x = 12,025,591,597,198,318
  5. Step 5: Solve for x
    x = 12,025,591,597,198,318/125,302,915.07
  6. Step 6: Final answer
    x = 95,972,161.47

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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.