Home / 161,110,988,361.63-222,333,384,433.20-87,867,396,143.14

Finding the Fourth Proportional to 161,110,988,361.63, 222,333,384,433.20 and 87,867,396,143.14

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Solution

The fourth proportional to 161,110,988,361.63, 222,333,384,433.20 and 87,867,396,143.14 is: 121,257,126,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,110,988,361.63 : 222,333,384,433.20 = 87,867,396,143.14 : x
  2. Step 2: Convert to fraction form
    161,110,988,361.63/222,333,384,433.20 = 87,867,396,143.14/x
  3. Step 3: Cross multiply
    161,110,988,361.63x = 222,333,384,433.20 × 87,867,396,143.14
  4. Step 4: Simplify right side
    161,110,988,361.63x = 19,535,855,565,836,577,144,832
  5. Step 5: Solve for x
    x = 19,535,855,565,836,577,144,832/161,110,988,361.63
  6. Step 6: Final answer
    x = 121,257,126,931.57

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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.