Home / 219,922,078.72-303,474,769.68-127,108,598.08

Finding the Fourth Proportional to 219,922,078.72, 303,474,769.68 and 127,108,598.08

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Solution

The fourth proportional to 219,922,078.72, 303,474,769.68 and 127,108,598.08 is: 175,399,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,922,078.72 : 303,474,769.68 = 127,108,598.08 : x
  2. Step 2: Convert to fraction form
    219,922,078.72/303,474,769.68 = 127,108,598.08/x
  3. Step 3: Cross multiply
    219,922,078.72x = 303,474,769.68 × 127,108,598.08
  4. Step 4: Simplify right side
    219,922,078.72x = 38,574,252,526,675,688
  5. Step 5: Solve for x
    x = 38,574,252,526,675,688/219,922,078.72
  6. Step 6: Final answer
    x = 175,399,635.87

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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.