Home / 297,211,030.20-445,438,631.70-143,526,166.20

Finding the Fourth Proportional to 297,211,030.20, 445,438,631.70 and 143,526,166.20

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Solution

The fourth proportional to 297,211,030.20, 445,438,631.70 and 143,526,166.20 is: 215,106,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,211,030.20 : 445,438,631.70 = 143,526,166.20 : x
  2. Step 2: Convert to fraction form
    297,211,030.20/445,438,631.70 = 143,526,166.20/x
  3. Step 3: Cross multiply
    297,211,030.20x = 445,438,631.70 × 143,526,166.20
  4. Step 4: Simplify right side
    297,211,030.20x = 63,932,099,085,274,784
  5. Step 5: Solve for x
    x = 63,932,099,085,274,784/297,211,030.20
  6. Step 6: Final answer
    x = 215,106,751.06

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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.