Home / 170,039,361.60-255,059,042.40-83,945,919.60

Finding the Fourth Proportional to 170,039,361.60, 255,059,042.40 and 83,945,919.60

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Solution

The fourth proportional to 170,039,361.60, 255,059,042.40 and 83,945,919.60 is: 125,918,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,039,361.60 : 255,059,042.40 = 83,945,919.60 : x
  2. Step 2: Convert to fraction form
    170,039,361.60/255,059,042.40 = 83,945,919.60/x
  3. Step 3: Cross multiply
    170,039,361.60x = 255,059,042.40 × 83,945,919.60
  4. Step 4: Simplify right side
    170,039,361.60x = 21,411,165,866,563,392
  5. Step 5: Solve for x
    x = 21,411,165,866,563,392/170,039,361.60
  6. Step 6: Final answer
    x = 125,918,879.40

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1.5x scale

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.