Home / 170,821,465.60-256,207,315.20-49,640,281.60

Finding the Fourth Proportional to 170,821,465.60, 256,207,315.20 and 49,640,281.60

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Solution

The fourth proportional to 170,821,465.60, 256,207,315.20 and 49,640,281.60 is: 74,453,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821,465.60 : 256,207,315.20 = 49,640,281.60 : x
  2. Step 2: Convert to fraction form
    170,821,465.60/256,207,315.20 = 49,640,281.60/x
  3. Step 3: Cross multiply
    170,821,465.60x = 256,207,315.20 × 49,640,281.60
  4. Step 4: Simplify right side
    170,821,465.60x = 12,718,203,274,507,960
  5. Step 5: Solve for x
    x = 12,718,203,274,507,960/170,821,465.60
  6. Step 6: Final answer
    x = 74,453,191.41

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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.