Home / 105,664,028.80-158,496,043.20-68,675,735.20

Finding the Fourth Proportional to 105,664,028.80, 158,496,043.20 and 68,675,735.20

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Solution

The fourth proportional to 105,664,028.80, 158,496,043.20 and 68,675,735.20 is: 103,013,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,664,028.80 : 158,496,043.20 = 68,675,735.20 : x
  2. Step 2: Convert to fraction form
    105,664,028.80/158,496,043.20 = 68,675,735.20/x
  3. Step 3: Cross multiply
    105,664,028.80x = 158,496,043.20 × 68,675,735.20
  4. Step 4: Simplify right side
    105,664,028.80x = 10,884,832,293,050,960
  5. Step 5: Solve for x
    x = 10,884,832,293,050,960/105,664,028.80
  6. Step 6: Final answer
    x = 103,013,602.80

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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.