Home / 276,521,929.67-381,600,416.04-149,362,607.39

Finding the Fourth Proportional to 276,521,929.67, 381,600,416.04 and 149,362,607.39

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Solution

The fourth proportional to 276,521,929.67, 381,600,416.04 and 149,362,607.39 is: 206,120,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,521,929.67 : 381,600,416.04 = 149,362,607.39 : x
  2. Step 2: Convert to fraction form
    276,521,929.67/381,600,416.04 = 149,362,607.39/x
  3. Step 3: Cross multiply
    276,521,929.67x = 381,600,416.04 × 149,362,607.39
  4. Step 4: Simplify right side
    276,521,929.67x = 56,996,833,120,843,176
  5. Step 5: Solve for x
    x = 56,996,833,120,843,176/276,521,929.67
  6. Step 6: Final answer
    x = 206,120,480.89

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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.