Home / 66,545,774.20-99,650,699.70-43,702,996.60

Finding the Fourth Proportional to 66,545,774.20, 99,650,699.70 and 43,702,996.60

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Solution

The fourth proportional to 66,545,774.20, 99,650,699.70 and 43,702,996.60 is: 65,444,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545,774.20 : 99,650,699.70 = 43,702,996.60 : x
  2. Step 2: Convert to fraction form
    66,545,774.20/99,650,699.70 = 43,702,996.60/x
  3. Step 3: Cross multiply
    66,545,774.20x = 99,650,699.70 × 43,702,996.60
  4. Step 4: Simplify right side
    66,545,774.20x = 4,355,034,190,176,721.50
  5. Step 5: Solve for x
    x = 4,355,034,190,176,721.50/66,545,774.20
  6. Step 6: Final answer
    x = 65,444,188.49

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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.