Home / 139,432,814.40-208,651,557.60-88,339,310.40

Finding the Fourth Proportional to 139,432,814.40, 208,651,557.60 and 88,339,310.40

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Solution

The fourth proportional to 139,432,814.40, 208,651,557.60 and 88,339,310.40 is: 132,193,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,432,814.40 : 208,651,557.60 = 88,339,310.40 : x
  2. Step 2: Convert to fraction form
    139,432,814.40/208,651,557.60 = 88,339,310.40/x
  3. Step 3: Cross multiply
    139,432,814.40x = 208,651,557.60 × 88,339,310.40
  4. Step 4: Simplify right side
    139,432,814.40x = 18,432,134,712,269,880
  5. Step 5: Solve for x
    x = 18,432,134,712,269,880/139,432,814.40
  6. Step 6: Final answer
    x = 132,193,664.68

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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.