Home / 170,202,489.70-254,925,820.95-139,969,401.70

Finding the Fourth Proportional to 170,202,489.70, 254,925,820.95 and 139,969,401.70

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Solution

The fourth proportional to 170,202,489.70, 254,925,820.95 and 139,969,401.70 is: 209,643,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,202,489.70 : 254,925,820.95 = 139,969,401.70 : x
  2. Step 2: Convert to fraction form
    170,202,489.70/254,925,820.95 = 139,969,401.70/x
  3. Step 3: Cross multiply
    170,202,489.70x = 254,925,820.95 × 139,969,401.70
  4. Step 4: Simplify right side
    170,202,489.70x = 35,681,814,636,252,820
  5. Step 5: Solve for x
    x = 35,681,814,636,252,820/170,202,489.70
  6. Step 6: Final answer
    x = 209,643,317.79

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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.