Home / 213,052,930.56-294,012,944.64-120,252,902.40

Finding the Fourth Proportional to 213,052,930.56, 294,012,944.64 and 120,252,902.40

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Solution

The fourth proportional to 213,052,930.56, 294,012,944.64 and 120,252,902.40 is: 165,948,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,052,930.56 : 294,012,944.64 = 120,252,902.40 : x
  2. Step 2: Convert to fraction form
    213,052,930.56/294,012,944.64 = 120,252,902.40/x
  3. Step 3: Cross multiply
    213,052,930.56x = 294,012,944.64 × 120,252,902.40
  4. Step 4: Simplify right side
    213,052,930.56x = 35,355,909,936,130,524
  5. Step 5: Solve for x
    x = 35,355,909,936,130,524/213,052,930.56
  6. Step 6: Final answer
    x = 165,948,949.13

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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.