Home / 136,821,079.02-188,810,755.41-74,096,667.30

Finding the Fourth Proportional to 136,821,079.02, 188,810,755.41 and 74,096,667.30

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Solution

The fourth proportional to 136,821,079.02, 188,810,755.41 and 74,096,667.30 is: 102,252,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,821,079.02 : 188,810,755.41 = 74,096,667.30 : x
  2. Step 2: Convert to fraction form
    136,821,079.02/188,810,755.41 = 74,096,667.30/x
  3. Step 3: Cross multiply
    136,821,079.02x = 188,810,755.41 × 74,096,667.30
  4. Step 4: Simplify right side
    136,821,079.02x = 13,990,247,726,933,712
  5. Step 5: Solve for x
    x = 13,990,247,726,933,712/136,821,079.02
  6. Step 6: Final answer
    x = 102,252,137.08

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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.