Home / 252,635,085.45-379,088,293.28-105,184,436.50

Finding the Fourth Proportional to 252,635,085.45, 379,088,293.28 and 105,184,436.50

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Solution

The fourth proportional to 252,635,085.45, 379,088,293.28 and 105,184,436.50 is: 157,833,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,635,085.45 : 379,088,293.28 = 105,184,436.50 : x
  2. Step 2: Convert to fraction form
    252,635,085.45/379,088,293.28 = 105,184,436.50/x
  3. Step 3: Cross multiply
    252,635,085.45x = 379,088,293.28 × 105,184,436.50
  4. Step 4: Simplify right side
    252,635,085.45x = 39,874,188,512,403,536
  5. Step 5: Solve for x
    x = 39,874,188,512,403,536/252,635,085.45
  6. Step 6: Final answer
    x = 157,833,138.82

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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.