Home / 199,464,009.30-298,944,071.55-97,007,433.30

Finding the Fourth Proportional to 199,464,009.30, 298,944,071.55 and 97,007,433.30

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Solution

The fourth proportional to 199,464,009.30, 298,944,071.55 and 97,007,433.30 is: 145,388,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,464,009.30 : 298,944,071.55 = 97,007,433.30 : x
  2. Step 2: Convert to fraction form
    199,464,009.30/298,944,071.55 = 97,007,433.30/x
  3. Step 3: Cross multiply
    199,464,009.30x = 298,944,071.55 × 97,007,433.30
  4. Step 4: Simplify right side
    199,464,009.30x = 28,999,797,081,317,052
  5. Step 5: Solve for x
    x = 28,999,797,081,317,052/199,464,009.30
  6. Step 6: Final answer
    x = 145,388,620.15

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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.