Home / 278,702,178.01-384,610,501.12-153,262,462.75

Finding the Fourth Proportional to 278,702,178.01, 384,610,501.12 and 153,262,462.75

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Solution

The fourth proportional to 278,702,178.01, 384,610,501.12 and 153,262,462.75 is: 211,503,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,702,178.01 : 384,610,501.12 = 153,262,462.75 : x
  2. Step 2: Convert to fraction form
    278,702,178.01/384,610,501.12 = 153,262,462.75/x
  3. Step 3: Cross multiply
    278,702,178.01x = 384,610,501.12 × 153,262,462.75
  4. Step 4: Simplify right side
    278,702,178.01x = 58,946,352,601,162,832
  5. Step 5: Solve for x
    x = 58,946,352,601,162,832/278,702,178.01
  6. Step 6: Final answer
    x = 211,503,020.97

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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.