Home / 68,316,420.60-102,474,630.90-61,726,552.20

Finding the Fourth Proportional to 68,316,420.60, 102,474,630.90 and 61,726,552.20

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Solution

The fourth proportional to 68,316,420.60, 102,474,630.90 and 61,726,552.20 is: 92,589,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316,420.60 : 102,474,630.90 = 61,726,552.20 : x
  2. Step 2: Convert to fraction form
    68,316,420.60/102,474,630.90 = 61,726,552.20/x
  3. Step 3: Cross multiply
    68,316,420.60x = 102,474,630.90 × 61,726,552.20
  4. Step 4: Simplify right side
    68,316,420.60x = 6,325,405,653,424,584
  5. Step 5: Solve for x
    x = 6,325,405,653,424,584/68,316,420.60
  6. Step 6: Final answer
    x = 92,589,828.30

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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.