Home / 101,546,380.65-140,130,076.55-55,135,572.51

Finding the Fourth Proportional to 101,546,380.65, 140,130,076.55 and 55,135,572.51

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Solution

The fourth proportional to 101,546,380.65, 140,130,076.55 and 55,135,572.51 is: 76,084,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546,380.65 : 140,130,076.55 = 55,135,572.51 : x
  2. Step 2: Convert to fraction form
    101,546,380.65/140,130,076.55 = 55,135,572.51/x
  3. Step 3: Cross multiply
    101,546,380.65x = 140,130,076.55 × 55,135,572.51
  4. Step 4: Simplify right side
    101,546,380.65x = 7,726,151,996,454,376
  5. Step 5: Solve for x
    x = 7,726,151,996,454,376/101,546,380.65
  6. Step 6: Final answer
    x = 76,084,956.91

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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.