Home / 352,277,235.40-486,143,720.81-195,644,342.38

Finding the Fourth Proportional to 352,277,235.40, 486,143,720.81 and 195,644,342.38

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Solution

The fourth proportional to 352,277,235.40, 486,143,720.81 and 195,644,342.38 is: 269,989,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,277,235.40 : 486,143,720.81 = 195,644,342.38 : x
  2. Step 2: Convert to fraction form
    352,277,235.40/486,143,720.81 = 195,644,342.38/x
  3. Step 3: Cross multiply
    352,277,235.40x = 486,143,720.81 × 195,644,342.38
  4. Step 4: Simplify right side
    352,277,235.40x = 95,111,268,560,038,768
  5. Step 5: Solve for x
    x = 95,111,268,560,038,768/352,277,235.40
  6. Step 6: Final answer
    x = 269,989,823.36

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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.