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Finding the Fourth Proportional to 209,952,220.20, 314,928,330.30 and 119,252,956.20

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Solution

The fourth proportional to 209,952,220.20, 314,928,330.30 and 119,252,956.20 is: 178,879,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,220.20 : 314,928,330.30 = 119,252,956.20 : x
  2. Step 2: Convert to fraction form
    209,952,220.20/314,928,330.30 = 119,252,956.20/x
  3. Step 3: Cross multiply
    209,952,220.20x = 314,928,330.30 × 119,252,956.20
  4. Step 4: Simplify right side
    209,952,220.20x = 37,556,134,379,405,032
  5. Step 5: Solve for x
    x = 37,556,134,379,405,032/209,952,220.20
  6. Step 6: Final answer
    x = 178,879,434.30

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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.