Home / 170,136,287.80-255,204,431.70-83,915,999.80

Finding the Fourth Proportional to 170,136,287.80, 255,204,431.70 and 83,915,999.80

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Solution

The fourth proportional to 170,136,287.80, 255,204,431.70 and 83,915,999.80 is: 125,873,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,136,287.80 : 255,204,431.70 = 83,915,999.80 : x
  2. Step 2: Convert to fraction form
    170,136,287.80/255,204,431.70 = 83,915,999.80/x
  3. Step 3: Cross multiply
    170,136,287.80x = 255,204,431.70 × 83,915,999.80
  4. Step 4: Simplify right side
    170,136,287.80x = 21,415,735,039,496,312
  5. Step 5: Solve for x
    x = 21,415,735,039,496,312/170,136,287.80
  6. Step 6: Final answer
    x = 125,873,999.70

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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.