Home / 85,310,253.16-117,742,226.82-52,288,870.60

Finding the Fourth Proportional to 85,310,253.16, 117,742,226.82 and 52,288,870.60

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Solution

The fourth proportional to 85,310,253.16, 117,742,226.82 and 52,288,870.60 is: 72,167,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,310,253.16 : 117,742,226.82 = 52,288,870.60 : x
  2. Step 2: Convert to fraction form
    85,310,253.16/117,742,226.82 = 52,288,870.60/x
  3. Step 3: Cross multiply
    85,310,253.16x = 117,742,226.82 × 52,288,870.60
  4. Step 4: Simplify right side
    85,310,253.16x = 6,156,608,062,346,829
  5. Step 5: Solve for x
    x = 6,156,608,062,346,829/85,310,253.16
  6. Step 6: Final answer
    x = 72,167,269.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.