Home / 68,175,741.20-102,263,611.80-42,695,344.40

Finding the Fourth Proportional to 68,175,741.20, 102,263,611.80 and 42,695,344.40

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Solution

The fourth proportional to 68,175,741.20, 102,263,611.80 and 42,695,344.40 is: 64,043,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,175,741.20 : 102,263,611.80 = 42,695,344.40 : x
  2. Step 2: Convert to fraction form
    68,175,741.20/102,263,611.80 = 42,695,344.40/x
  3. Step 3: Cross multiply
    68,175,741.20x = 102,263,611.80 × 42,695,344.40
  4. Step 4: Simplify right side
    68,175,741.20x = 4,366,180,125,388,903.50
  5. Step 5: Solve for x
    x = 4,366,180,125,388,903.50/68,175,741.20
  6. Step 6: Final answer
    x = 64,043,016.60

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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.