Home / 310,274,177.78-428,179,661.79-171,041,884.58

Finding the Fourth Proportional to 310,274,177.78, 428,179,661.79 and 171,041,884.58

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Solution

The fourth proportional to 310,274,177.78, 428,179,661.79 and 171,041,884.58 is: 236,038,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,274,177.78 : 428,179,661.79 = 171,041,884.58 : x
  2. Step 2: Convert to fraction form
    310,274,177.78/428,179,661.79 = 171,041,884.58/x
  3. Step 3: Cross multiply
    310,274,177.78x = 428,179,661.79 × 171,041,884.58
  4. Step 4: Simplify right side
    310,274,177.78x = 73,236,656,291,388,624
  5. Step 5: Solve for x
    x = 73,236,656,291,388,624/310,274,177.78
  6. Step 6: Final answer
    x = 236,038,515.40

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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.