Home / 68,533,361.76-102,766,975.56-39,786,733.92

Finding the Fourth Proportional to 68,533,361.76, 102,766,975.56 and 39,786,733.92

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Solution

The fourth proportional to 68,533,361.76, 102,766,975.56 and 39,786,733.92 is: 59,660,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533,361.76 : 102,766,975.56 = 39,786,733.92 : x
  2. Step 2: Convert to fraction form
    68,533,361.76/102,766,975.56 = 39,786,733.92/x
  3. Step 3: Cross multiply
    68,533,361.76x = 102,766,975.56 × 39,786,733.92
  4. Step 4: Simplify right side
    68,533,361.76x = 4,088,762,312,368,863.50
  5. Step 5: Solve for x
    x = 4,088,762,312,368,863.50/68,533,361.76
  6. Step 6: Final answer
    x = 59,660,903.94

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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.