Home / 154,637,885.58-213,401,125.74-91,060,998.54

Finding the Fourth Proportional to 154,637,885.58, 213,401,125.74 and 91,060,998.54

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Solution

The fourth proportional to 154,637,885.58, 213,401,125.74 and 91,060,998.54 is: 125,664,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,637,885.58 : 213,401,125.74 = 91,060,998.54 : x
  2. Step 2: Convert to fraction form
    154,637,885.58/213,401,125.74 = 91,060,998.54/x
  3. Step 3: Cross multiply
    154,637,885.58x = 213,401,125.74 × 91,060,998.54
  4. Step 4: Simplify right side
    154,637,885.58x = 19,432,519,599,444,500
  5. Step 5: Solve for x
    x = 19,432,519,599,444,500/154,637,885.58
  6. Step 6: Final answer
    x = 125,664,674.78

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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.