Home / 68,993,844.60-103,490,766.90-64,742,316.60

Finding the Fourth Proportional to 68,993,844.60, 103,490,766.90 and 64,742,316.60

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Solution

The fourth proportional to 68,993,844.60, 103,490,766.90 and 64,742,316.60 is: 97,113,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,993,844.60 : 103,490,766.90 = 64,742,316.60 : x
  2. Step 2: Convert to fraction form
    68,993,844.60/103,490,766.90 = 64,742,316.60/x
  3. Step 3: Cross multiply
    68,993,844.60x = 103,490,766.90 × 64,742,316.60
  4. Step 4: Simplify right side
    68,993,844.60x = 6,700,231,995,816,601
  5. Step 5: Solve for x
    x = 6,700,231,995,816,601/68,993,844.60
  6. Step 6: Final answer
    x = 97,113,474.90

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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.