Home / 193,190,382-266,578,490.28-130,602,660.48

Finding the Fourth Proportional to 193,190,382, 266,578,490.28 and 130,602,660.48

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Solution

The fourth proportional to 193,190,382, 266,578,490.28 and 130,602,660.48 is: 180,215,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,190,382 : 266,578,490.28 = 130,602,660.48 : x
  2. Step 2: Convert to fraction form
    193,190,382/266,578,490.28 = 130,602,660.48/x
  3. Step 3: Cross multiply
    193,190,382x = 266,578,490.28 × 130,602,660.48
  4. Step 4: Simplify right side
    193,190,382x = 34,815,860,057,309,820
  5. Step 5: Solve for x
    x = 34,815,860,057,309,820/193,190,382
  6. Step 6: Final answer
    x = 180,215,286.58

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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.