Home / 52,397,213.89-72,308,439.73-30,068,422.05

Finding the Fourth Proportional to 52,397,213.89, 72,308,439.73 and 30,068,422.05

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Solution

The fourth proportional to 52,397,213.89, 72,308,439.73 and 30,068,422.05 is: 41,494,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,397,213.89 : 72,308,439.73 = 30,068,422.05 : x
  2. Step 2: Convert to fraction form
    52,397,213.89/72,308,439.73 = 30,068,422.05/x
  3. Step 3: Cross multiply
    52,397,213.89x = 72,308,439.73 × 30,068,422.05
  4. Step 4: Simplify right side
    52,397,213.89x = 2,174,200,683,578,628.25
  5. Step 5: Solve for x
    x = 2,174,200,683,578,628.25/52,397,213.89
  6. Step 6: Final answer
    x = 41,494,585.73

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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.