Home / 57,017,126,157.51-78,683,712,015-30,945,491,883.03

Finding the Fourth Proportional to 57,017,126,157.51, 78,683,712,015 and 30,945,491,883.03

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Solution

The fourth proportional to 57,017,126,157.51, 78,683,712,015 and 30,945,491,883.03 is: 42,704,821,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017,126,157.51 : 78,683,712,015 = 30,945,491,883.03 : x
  2. Step 2: Convert to fraction form
    57,017,126,157.51/78,683,712,015 = 30,945,491,883.03/x
  3. Step 3: Cross multiply
    57,017,126,157.51x = 78,683,712,015 × 30,945,491,883.03
  4. Step 4: Simplify right side
    57,017,126,157.51x = 2,434,906,171,486,852,612,096
  5. Step 5: Solve for x
    x = 2,434,906,171,486,852,612,096/57,017,126,157.51
  6. Step 6: Final answer
    x = 42,704,821,087.62

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1.5x scale

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.