Home / 66,478,603.20-99,693,021.60-23,331,134.40

Finding the Fourth Proportional to 66,478,603.20, 99,693,021.60 and 23,331,134.40

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Solution

The fourth proportional to 66,478,603.20, 99,693,021.60 and 23,331,134.40 is: 34,987,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,478,603.20 : 99,693,021.60 = 23,331,134.40 : x
  2. Step 2: Convert to fraction form
    66,478,603.20/99,693,021.60 = 23,331,134.40/x
  3. Step 3: Cross multiply
    66,478,603.20x = 99,693,021.60 × 23,331,134.40
  4. Step 4: Simplify right side
    66,478,603.20x = 2,325,951,285,691,703
  5. Step 5: Solve for x
    x = 2,325,951,285,691,703/66,478,603.20
  6. Step 6: Final answer
    x = 34,987,968.67

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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.