Home / 225,181,763.28-310,590,602.62-206,656,738.40

Finding the Fourth Proportional to 225,181,763.28, 310,590,602.62 and 206,656,738.40

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Solution

The fourth proportional to 225,181,763.28, 310,590,602.62 and 206,656,738.40 is: 285,039,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,181,763.28 : 310,590,602.62 = 206,656,738.40 : x
  2. Step 2: Convert to fraction form
    225,181,763.28/310,590,602.62 = 206,656,738.40/x
  3. Step 3: Cross multiply
    225,181,763.28x = 310,590,602.62 × 206,656,738.40
  4. Step 4: Simplify right side
    225,181,763.28x = 64,185,640,915,139,696
  5. Step 5: Solve for x
    x = 64,185,640,915,139,696/225,181,763.28
  6. Step 6: Final answer
    x = 285,039,249.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.