Home / 157,712,709.70-236,569,064.55-111,796,207.30

Finding the Fourth Proportional to 157,712,709.70, 236,569,064.55 and 111,796,207.30

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Solution

The fourth proportional to 157,712,709.70, 236,569,064.55 and 111,796,207.30 is: 167,694,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,712,709.70 : 236,569,064.55 = 111,796,207.30 : x
  2. Step 2: Convert to fraction form
    157,712,709.70/236,569,064.55 = 111,796,207.30/x
  3. Step 3: Cross multiply
    157,712,709.70x = 236,569,064.55 × 111,796,207.30
  4. Step 4: Simplify right side
    157,712,709.70x = 26,447,524,181,198,880
  5. Step 5: Solve for x
    x = 26,447,524,181,198,880/157,712,709.70
  6. Step 6: Final answer
    x = 167,694,310.95

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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.