Home / 76,955,900,795.11-115,453,077,970.33-54,310,470,444.61

Finding the Fourth Proportional to 76,955,900,795.11, 115,453,077,970.33 and 54,310,470,444.61

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Solution

The fourth proportional to 76,955,900,795.11, 115,453,077,970.33 and 54,310,470,444.61 is: 81,479,274,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955,900,795.11 : 115,453,077,970.33 = 54,310,470,444.61 : x
  2. Step 2: Convert to fraction form
    76,955,900,795.11/115,453,077,970.33 = 54,310,470,444.61/x
  3. Step 3: Cross multiply
    76,955,900,795.11x = 115,453,077,970.33 × 54,310,470,444.61
  4. Step 4: Simplify right side
    76,955,900,795.11x = 6,270,310,978,846,515,527,680
  5. Step 5: Solve for x
    x = 6,270,310,978,846,515,527,680/76,955,900,795.11
  6. Step 6: Final answer
    x = 81,479,274,676.30

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1.5x scale

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.