Home / 139,420,673.43-208,939,689.23-88,211,019.03

Finding the Fourth Proportional to 139,420,673.43, 208,939,689.23 and 88,211,019.03

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Solution

The fourth proportional to 139,420,673.43, 208,939,689.23 and 88,211,019.03 is: 132,195,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,420,673.43 : 208,939,689.23 = 88,211,019.03 : x
  2. Step 2: Convert to fraction form
    139,420,673.43/208,939,689.23 = 88,211,019.03/x
  3. Step 3: Cross multiply
    139,420,673.43x = 208,939,689.23 × 88,211,019.03
  4. Step 4: Simplify right side
    139,420,673.43x = 18,430,782,902,348,760
  5. Step 5: Solve for x
    x = 18,430,782,902,348,760/139,420,673.43
  6. Step 6: Final answer
    x = 132,195,480.40

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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.