Home / 170,121,830.60-255,014,784.30-83,789,568.20

Finding the Fourth Proportional to 170,121,830.60, 255,014,784.30 and 83,789,568.20

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Solution

The fourth proportional to 170,121,830.60, 255,014,784.30 and 83,789,568.20 is: 125,601,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,121,830.60 : 255,014,784.30 = 83,789,568.20 : x
  2. Step 2: Convert to fraction form
    170,121,830.60/255,014,784.30 = 83,789,568.20/x
  3. Step 3: Cross multiply
    170,121,830.60x = 255,014,784.30 × 83,789,568.20
  4. Step 4: Simplify right side
    170,121,830.60x = 21,367,578,661,113,140
  5. Step 5: Solve for x
    x = 21,367,578,661,113,140/170,121,830.60
  6. Step 6: Final answer
    x = 125,601,626.70

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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.