Home / 70,240,376,084.50-105,381,261,194.91-28,295,657,440.66

Finding the Fourth Proportional to 70,240,376,084.50, 105,381,261,194.91 and 28,295,657,440.66

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Solution

The fourth proportional to 70,240,376,084.50, 105,381,261,194.91 and 28,295,657,440.66 is: 42,451,823,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240,376,084.50 : 105,381,261,194.91 = 28,295,657,440.66 : x
  2. Step 2: Convert to fraction form
    70,240,376,084.50/105,381,261,194.91 = 28,295,657,440.66/x
  3. Step 3: Cross multiply
    70,240,376,084.50x = 105,381,261,194.91 × 28,295,657,440.66
  4. Step 4: Simplify right side
    70,240,376,084.50x = 2,981,832,067,435,889,950,720
  5. Step 5: Solve for x
    x = 2,981,832,067,435,889,950,720/70,240,376,084.50
  6. Step 6: Final answer
    x = 42,451,823,775.10

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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.