Home / 193,190,383-266,578,491.66-130,602,661.48

Finding the Fourth Proportional to 193,190,383, 266,578,491.66 and 130,602,661.48

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Solution

The fourth proportional to 193,190,383, 266,578,491.66 and 130,602,661.48 is: 180,215,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,190,383 : 266,578,491.66 = 130,602,661.48 : x
  2. Step 2: Convert to fraction form
    193,190,383/266,578,491.66 = 130,602,661.48/x
  3. Step 3: Cross multiply
    193,190,383x = 266,578,491.66 × 130,602,661.48
  4. Step 4: Simplify right side
    193,190,383x = 34,815,860,504,119,984
  5. Step 5: Solve for x
    x = 34,815,860,504,119,984/193,190,383
  6. Step 6: Final answer
    x = 180,215,287.96

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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.