Home / 154,425,338.51-231,637,812.12-39,409,883.42

Finding the Fourth Proportional to 154,425,338.51, 231,637,812.12 and 39,409,883.42

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Solution

The fourth proportional to 154,425,338.51, 231,637,812.12 and 39,409,883.42 is: 59,114,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,338.51 : 231,637,812.12 = 39,409,883.42 : x
  2. Step 2: Convert to fraction form
    154,425,338.51/231,637,812.12 = 39,409,883.42/x
  3. Step 3: Cross multiply
    154,425,338.51x = 231,637,812.12 × 39,409,883.42
  4. Step 4: Simplify right side
    154,425,338.51x = 9,128,819,170,154,874
  5. Step 5: Solve for x
    x = 9,128,819,170,154,874/154,425,338.51
  6. Step 6: Final answer
    x = 59,114,775.20

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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.