Home / 310,804,857.14-428,908,072.25-171,572,629.55

Finding the Fourth Proportional to 310,804,857.14, 428,908,072.25 and 171,572,629.55

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Solution

The fourth proportional to 310,804,857.14, 428,908,072.25 and 171,572,629.55 is: 236,768,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,804,857.14 : 428,908,072.25 = 171,572,629.55 : x
  2. Step 2: Convert to fraction form
    310,804,857.14/428,908,072.25 = 171,572,629.55/x
  3. Step 3: Cross multiply
    310,804,857.14x = 428,908,072.25 × 171,572,629.55
  4. Step 4: Simplify right side
    310,804,857.14x = 73,588,885,789,438,272
  5. Step 5: Solve for x
    x = 73,588,885,789,438,272/310,804,857.14
  6. Step 6: Final answer
    x = 236,768,776.61

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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.