Home / 297,300,882.40-445,951,323.60-81,890,130.40

Finding the Fourth Proportional to 297,300,882.40, 445,951,323.60 and 81,890,130.40

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Solution

The fourth proportional to 297,300,882.40, 445,951,323.60 and 81,890,130.40 is: 122,835,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,300,882.40 : 445,951,323.60 = 81,890,130.40 : x
  2. Step 2: Convert to fraction form
    297,300,882.40/445,951,323.60 = 81,890,130.40/x
  3. Step 3: Cross multiply
    297,300,882.40x = 445,951,323.60 × 81,890,130.40
  4. Step 4: Simplify right side
    297,300,882.40x = 36,519,012,041,656,600
  5. Step 5: Solve for x
    x = 36,519,012,041,656,600/297,300,882.40
  6. Step 6: Final answer
    x = 122,835,195.60

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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.