Home / 297,300,903.40-445,951,355.10-81,890,151.40

Finding the Fourth Proportional to 297,300,903.40, 445,951,355.10 and 81,890,151.40

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Solution

The fourth proportional to 297,300,903.40, 445,951,355.10 and 81,890,151.40 is: 122,835,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,300,903.40 : 445,951,355.10 = 81,890,151.40 : x
  2. Step 2: Convert to fraction form
    297,300,903.40/445,951,355.10 = 81,890,151.40/x
  3. Step 3: Cross multiply
    297,300,903.40x = 445,951,355.10 × 81,890,151.40
  4. Step 4: Simplify right side
    297,300,903.40x = 36,519,023,986,174,168
  5. Step 5: Solve for x
    x = 36,519,023,986,174,168/297,300,903.40
  6. Step 6: Final answer
    x = 122,835,227.10

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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.