Home / 68,009,050.80-102,013,576.20-67,371,321.60

Finding the Fourth Proportional to 68,009,050.80, 102,013,576.20 and 67,371,321.60

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Solution

The fourth proportional to 68,009,050.80, 102,013,576.20 and 67,371,321.60 is: 101,056,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009,050.80 : 102,013,576.20 = 67,371,321.60 : x
  2. Step 2: Convert to fraction form
    68,009,050.80/102,013,576.20 = 67,371,321.60/x
  3. Step 3: Cross multiply
    68,009,050.80x = 102,013,576.20 × 67,371,321.60
  4. Step 4: Simplify right side
    68,009,050.80x = 6,872,789,449,736,306
  5. Step 5: Solve for x
    x = 6,872,789,449,736,306/68,009,050.80
  6. Step 6: Final answer
    x = 101,056,982.40

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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.