Home / 139,968,314.70-209,952,472.05-88,572,065.10

Finding the Fourth Proportional to 139,968,314.70, 209,952,472.05 and 88,572,065.10

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Solution

The fourth proportional to 139,968,314.70, 209,952,472.05 and 88,572,065.10 is: 132,858,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,314.70 : 209,952,472.05 = 88,572,065.10 : x
  2. Step 2: Convert to fraction form
    139,968,314.70/209,952,472.05 = 88,572,065.10/x
  3. Step 3: Cross multiply
    139,968,314.70x = 209,952,472.05 × 88,572,065.10
  4. Step 4: Simplify right side
    139,968,314.70x = 18,595,924,022,318,532
  5. Step 5: Solve for x
    x = 18,595,924,022,318,532/139,968,314.70
  6. Step 6: Final answer
    x = 132,858,097.65

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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.