Home / 90,027,199.70-124,235,916.10-50,868,135.70

Finding the Fourth Proportional to 90,027,199.70, 124,235,916.10 and 50,868,135.70

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Solution

The fourth proportional to 90,027,199.70, 124,235,916.10 and 50,868,135.70 is: 70,197,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027,199.70 : 124,235,916.10 = 50,868,135.70 : x
  2. Step 2: Convert to fraction form
    90,027,199.70/124,235,916.10 = 50,868,135.70/x
  3. Step 3: Cross multiply
    90,027,199.70x = 124,235,916.10 × 50,868,135.70
  4. Step 4: Simplify right side
    90,027,199.70x = 6,319,649,438,741,610
  5. Step 5: Solve for x
    x = 6,319,649,438,741,610/90,027,199.70
  6. Step 6: Final answer
    x = 70,197,112.20

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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.