Home / 199,588,009.20-299,382,013.80-170,362,690.80

Finding the Fourth Proportional to 199,588,009.20, 299,382,013.80 and 170,362,690.80

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Solution

The fourth proportional to 199,588,009.20, 299,382,013.80 and 170,362,690.80 is: 255,544,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588,009.20 : 299,382,013.80 = 170,362,690.80 : x
  2. Step 2: Convert to fraction form
    199,588,009.20/299,382,013.80 = 170,362,690.80/x
  3. Step 3: Cross multiply
    199,588,009.20x = 299,382,013.80 × 170,362,690.80
  4. Step 4: Simplify right side
    199,588,009.20x = 51,003,525,448,090,736
  5. Step 5: Solve for x
    x = 51,003,525,448,090,736/199,588,009.20
  6. Step 6: Final answer
    x = 255,544,036.20

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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.