Home / 255,004,266.40-381,868,670.40-203,985,930.40

Finding the Fourth Proportional to 255,004,266.40, 381,868,670.40 and 203,985,930.40

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Solution

The fourth proportional to 255,004,266.40, 381,868,670.40 and 203,985,930.40 is: 305,468,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,004,266.40 : 381,868,670.40 = 203,985,930.40 : x
  2. Step 2: Convert to fraction form
    255,004,266.40/381,868,670.40 = 203,985,930.40/x
  3. Step 3: Cross multiply
    255,004,266.40x = 381,868,670.40 × 203,985,930.40
  4. Step 4: Simplify right side
    255,004,266.40x = 77,895,836,022,154,944
  5. Step 5: Solve for x
    x = 77,895,836,022,154,944/255,004,266.40
  6. Step 6: Final answer
    x = 305,468,755.96

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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.