Home / 209,331,154.19-288,871,712.96-115,244,361.82

Finding the Fourth Proportional to 209,331,154.19, 288,871,712.96 and 115,244,361.82

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Solution

The fourth proportional to 209,331,154.19, 288,871,712.96 and 115,244,361.82 is: 159,034,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,331,154.19 : 288,871,712.96 = 115,244,361.82 : x
  2. Step 2: Convert to fraction form
    209,331,154.19/288,871,712.96 = 115,244,361.82/x
  3. Step 3: Cross multiply
    209,331,154.19x = 288,871,712.96 × 115,244,361.82
  4. Step 4: Simplify right side
    209,331,154.19x = 33,290,836,207,925,420
  5. Step 5: Solve for x
    x = 33,290,836,207,925,420/209,331,154.19
  6. Step 6: Final answer
    x = 159,034,312.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.