Home / 276,521,931.67-381,600,418.80-149,362,609.39

Finding the Fourth Proportional to 276,521,931.67, 381,600,418.80 and 149,362,609.39

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Solution

The fourth proportional to 276,521,931.67, 381,600,418.80 and 149,362,609.39 is: 206,120,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,521,931.67 : 381,600,418.80 = 149,362,609.39 : x
  2. Step 2: Convert to fraction form
    276,521,931.67/381,600,418.80 = 149,362,609.39/x
  3. Step 3: Cross multiply
    276,521,931.67x = 381,600,418.80 × 149,362,609.39
  4. Step 4: Simplify right side
    276,521,931.67x = 56,996,834,296,284,808
  5. Step 5: Solve for x
    x = 56,996,834,296,284,808/276,521,931.67
  6. Step 6: Final answer
    x = 206,120,483.65

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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.