Home / 254,201,438.80-381,302,158.20-72,424,997.20

Finding the Fourth Proportional to 254,201,438.80, 381,302,158.20 and 72,424,997.20

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Solution

The fourth proportional to 254,201,438.80, 381,302,158.20 and 72,424,997.20 is: 108,637,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,201,438.80 : 381,302,158.20 = 72,424,997.20 : x
  2. Step 2: Convert to fraction form
    254,201,438.80/381,302,158.20 = 72,424,997.20/x
  3. Step 3: Cross multiply
    254,201,438.80x = 381,302,158.20 × 72,424,997.20
  4. Step 4: Simplify right side
    254,201,438.80x = 27,615,807,739,988,956
  5. Step 5: Solve for x
    x = 27,615,807,739,988,956/254,201,438.80
  6. Step 6: Final answer
    x = 108,637,495.80

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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.