Home / 274,039,480.42-378,174,078.28-148,591,448.40

Finding the Fourth Proportional to 274,039,480.42, 378,174,078.28 and 148,591,448.40

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Solution

The fourth proportional to 274,039,480.42, 378,174,078.28 and 148,591,448.40 is: 205,055,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,039,480.42 : 378,174,078.28 = 148,591,448.40 : x
  2. Step 2: Convert to fraction form
    274,039,480.42/378,174,078.28 = 148,591,448.40/x
  3. Step 3: Cross multiply
    274,039,480.42x = 378,174,078.28 × 148,591,448.40
  4. Step 4: Simplify right side
    274,039,480.42x = 56,193,434,038,960,176
  5. Step 5: Solve for x
    x = 56,193,434,038,960,176/274,039,480.42
  6. Step 6: Final answer
    x = 205,055,979.35

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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.