Home / 68,533,378.76-102,767,001.06-39,786,750.92

Finding the Fourth Proportional to 68,533,378.76, 102,767,001.06 and 39,786,750.92

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Solution

The fourth proportional to 68,533,378.76, 102,767,001.06 and 39,786,750.92 is: 59,660,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533,378.76 : 102,767,001.06 = 39,786,750.92 : x
  2. Step 2: Convert to fraction form
    68,533,378.76/102,767,001.06 = 39,786,750.92/x
  3. Step 3: Cross multiply
    68,533,378.76x = 102,767,001.06 × 39,786,750.92
  4. Step 4: Simplify right side
    68,533,378.76x = 4,088,765,073,969,596.50
  5. Step 5: Solve for x
    x = 4,088,765,073,969,596.50/68,533,378.76
  6. Step 6: Final answer
    x = 59,660,929.43

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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.