Home / 55,508,157.69-76,602,164.46-30,389,847.90

Finding the Fourth Proportional to 55,508,157.69, 76,602,164.46 and 30,389,847.90

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Solution

The fourth proportional to 55,508,157.69, 76,602,164.46 and 30,389,847.90 is: 41,938,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508,157.69 : 76,602,164.46 = 30,389,847.90 : x
  2. Step 2: Convert to fraction form
    55,508,157.69/76,602,164.46 = 30,389,847.90/x
  3. Step 3: Cross multiply
    55,508,157.69x = 76,602,164.46 × 30,389,847.90
  4. Step 4: Simplify right side
    55,508,157.69x = 2,327,928,126,750,185.50
  5. Step 5: Solve for x
    x = 2,327,928,126,750,185.50/55,508,157.69
  6. Step 6: Final answer
    x = 41,938,486.59

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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.