Home / 54,380,079.70-81,570,119.55-31,390,335.70

Finding the Fourth Proportional to 54,380,079.70, 81,570,119.55 and 31,390,335.70

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Solution

The fourth proportional to 54,380,079.70, 81,570,119.55 and 31,390,335.70 is: 47,085,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380,079.70 : 81,570,119.55 = 31,390,335.70 : x
  2. Step 2: Convert to fraction form
    54,380,079.70/81,570,119.55 = 31,390,335.70/x
  3. Step 3: Cross multiply
    54,380,079.70x = 81,570,119.55 × 31,390,335.70
  4. Step 4: Simplify right side
    54,380,079.70x = 2,560,513,435,763,633
  5. Step 5: Solve for x
    x = 2,560,513,435,763,633/54,380,079.70
  6. Step 6: Final answer
    x = 47,085,503.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.