Home / 150,574,513,781.92-207,796,555,241.21-81,989,686,835.33

Finding the Fourth Proportional to 150,574,513,781.92, 207,796,555,241.21 and 81,989,686,835.33

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Solution

The fourth proportional to 150,574,513,781.92, 207,796,555,241.21 and 81,989,686,835.33 is: 113,147,796,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,574,513,781.92 : 207,796,555,241.21 = 81,989,686,835.33 : x
  2. Step 2: Convert to fraction form
    150,574,513,781.92/207,796,555,241.21 = 81,989,686,835.33/x
  3. Step 3: Cross multiply
    150,574,513,781.92x = 207,796,555,241.21 × 81,989,686,835.33
  4. Step 4: Simplify right side
    150,574,513,781.92x = 17,037,174,489,686,118,236,160
  5. Step 5: Solve for x
    x = 17,037,174,489,686,118,236,160/150,574,513,781.92
  6. Step 6: Final answer
    x = 113,147,796,806.85

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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.