Home / 254,628,842.72-381,671,343.43-145,218,426.84

Finding the Fourth Proportional to 254,628,842.72, 381,671,343.43 and 145,218,426.84

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Solution

The fourth proportional to 254,628,842.72, 381,671,343.43 and 145,218,426.84 is: 217,672,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,628,842.72 : 381,671,343.43 = 145,218,426.84 : x
  2. Step 2: Convert to fraction form
    254,628,842.72/381,671,343.43 = 145,218,426.84/x
  3. Step 3: Cross multiply
    254,628,842.72x = 381,671,343.43 × 145,218,426.84
  4. Step 4: Simplify right side
    254,628,842.72x = 55,425,712,062,450,928
  5. Step 5: Solve for x
    x = 55,425,712,062,450,928/254,628,842.72
  6. Step 6: Final answer
    x = 217,672,560.07

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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.