Home / 310,184,721.88-428,053,622.70-170,955,151.36

Finding the Fourth Proportional to 310,184,721.88, 428,053,622.70 and 170,955,151.36

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Solution

The fourth proportional to 310,184,721.88, 428,053,622.70 and 170,955,151.36 is: 235,917,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,184,721.88 : 428,053,622.70 = 170,955,151.36 : x
  2. Step 2: Convert to fraction form
    310,184,721.88/428,053,622.70 = 170,955,151.36/x
  3. Step 3: Cross multiply
    310,184,721.88x = 428,053,622.70 × 170,955,151.36
  4. Step 4: Simplify right side
    310,184,721.88x = 73,177,971,858,874,832
  5. Step 5: Solve for x
    x = 73,177,971,858,874,832/310,184,721.88
  6. Step 6: Final answer
    x = 235,917,395.98

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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.