Home / 51,282,921.68-70,770,441.96-28,078,054.64

Finding the Fourth Proportional to 51,282,921.68, 70,770,441.96 and 28,078,054.64

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Solution

The fourth proportional to 51,282,921.68, 70,770,441.96 and 28,078,054.64 is: 38,747,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282,921.68 : 70,770,441.96 = 28,078,054.64 : x
  2. Step 2: Convert to fraction form
    51,282,921.68/70,770,441.96 = 28,078,054.64/x
  3. Step 3: Cross multiply
    51,282,921.68x = 70,770,441.96 × 28,078,054.64
  4. Step 4: Simplify right side
    51,282,921.68x = 1,987,096,336,249,828.50
  5. Step 5: Solve for x
    x = 1,987,096,336,249,828.50/51,282,921.68
  6. Step 6: Final answer
    x = 38,747,720.90

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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.