Home / 170,821,485.60-256,207,345.20-49,640,301.60

Finding the Fourth Proportional to 170,821,485.60, 256,207,345.20 and 49,640,301.60

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Solution

The fourth proportional to 170,821,485.60, 256,207,345.20 and 49,640,301.60 is: 74,453,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821,485.60 : 256,207,345.20 = 49,640,301.60 : x
  2. Step 2: Convert to fraction form
    170,821,485.60/256,207,345.20 = 49,640,301.60/x
  3. Step 3: Cross multiply
    170,821,485.60x = 256,207,345.20 × 49,640,301.60
  4. Step 4: Simplify right side
    170,821,485.60x = 12,718,209,887,863,312
  5. Step 5: Solve for x
    x = 12,718,209,887,863,312/170,821,485.60
  6. Step 6: Final answer
    x = 74,453,221.40

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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.