Home / 68,039,244.81-102,058,575.93-18,854,957.64

Finding the Fourth Proportional to 68,039,244.81, 102,058,575.93 and 18,854,957.64

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Solution

The fourth proportional to 68,039,244.81, 102,058,575.93 and 18,854,957.64 is: 28,282,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039,244.81 : 102,058,575.93 = 18,854,957.64 : x
  2. Step 2: Convert to fraction form
    68,039,244.81/102,058,575.93 = 18,854,957.64/x
  3. Step 3: Cross multiply
    68,039,244.81x = 102,058,575.93 × 18,854,957.64
  4. Step 4: Simplify right side
    68,039,244.81x = 1,924,310,125,958,873.75
  5. Step 5: Solve for x
    x = 1,924,310,125,958,873.75/68,039,244.81
  6. Step 6: Final answer
    x = 28,282,355.74

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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.