Home / 154,425,328.38-231,637,796.96-39,409,873.29

Finding the Fourth Proportional to 154,425,328.38, 231,637,796.96 and 39,409,873.29

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Solution

The fourth proportional to 154,425,328.38, 231,637,796.96 and 39,409,873.29 is: 59,114,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,328.38 : 231,637,796.96 = 39,409,873.29 : x
  2. Step 2: Convert to fraction form
    154,425,328.38/231,637,796.96 = 39,409,873.29/x
  3. Step 3: Cross multiply
    154,425,328.38x = 231,637,796.96 × 39,409,873.29
  4. Step 4: Simplify right side
    154,425,328.38x = 9,128,816,227,171,298
  5. Step 5: Solve for x
    x = 9,128,816,227,171,298/154,425,328.38
  6. Step 6: Final answer
    x = 59,114,760.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.