Home / 66,478,604.20-99,693,023.10-23,331,135.40

Finding the Fourth Proportional to 66,478,604.20, 99,693,023.10 and 23,331,135.40

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Solution

The fourth proportional to 66,478,604.20, 99,693,023.10 and 23,331,135.40 is: 34,987,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,478,604.20 : 99,693,023.10 = 23,331,135.40 : x
  2. Step 2: Convert to fraction form
    66,478,604.20/99,693,023.10 = 23,331,135.40/x
  3. Step 3: Cross multiply
    66,478,604.20x = 99,693,023.10 × 23,331,135.40
  4. Step 4: Simplify right side
    66,478,604.20x = 2,325,951,420,381,427.50
  5. Step 5: Solve for x
    x = 2,325,951,420,381,427.50/66,478,604.20
  6. Step 6: Final answer
    x = 34,987,970.17

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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.