Home / 139,968,344.70-209,952,517.05-88,887,023.10

Finding the Fourth Proportional to 139,968,344.70, 209,952,517.05 and 88,887,023.10

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Solution

The fourth proportional to 139,968,344.70, 209,952,517.05 and 88,887,023.10 is: 133,330,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,344.70 : 209,952,517.05 = 88,887,023.10 : x
  2. Step 2: Convert to fraction form
    139,968,344.70/209,952,517.05 = 88,887,023.10/x
  3. Step 3: Cross multiply
    139,968,344.70x = 209,952,517.05 × 88,887,023.10
  4. Step 4: Simplify right side
    139,968,344.70x = 18,662,054,232,926,492
  5. Step 5: Solve for x
    x = 18,662,054,232,926,492/139,968,344.70
  6. Step 6: Final answer
    x = 133,330,534.65

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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.