Home / 209,331,153.19-288,871,711.58-115,244,360.82

Finding the Fourth Proportional to 209,331,153.19, 288,871,711.58 and 115,244,360.82

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Solution

The fourth proportional to 209,331,153.19, 288,871,711.58 and 115,244,360.82 is: 159,034,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,331,153.19 : 288,871,711.58 = 115,244,360.82 : x
  2. Step 2: Convert to fraction form
    209,331,153.19/288,871,711.58 = 115,244,360.82/x
  3. Step 3: Cross multiply
    209,331,153.19x = 288,871,711.58 × 115,244,360.82
  4. Step 4: Simplify right side
    209,331,153.19x = 33,290,835,760,874,820
  5. Step 5: Solve for x
    x = 33,290,835,760,874,820/209,331,153.19
  6. Step 6: Final answer
    x = 159,034,311.21

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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.