Home / 66,545,756.20-99,650,672.70-43,702,978.60

Finding the Fourth Proportional to 66,545,756.20, 99,650,672.70 and 43,702,978.60

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Solution

The fourth proportional to 66,545,756.20, 99,650,672.70 and 43,702,978.60 is: 65,444,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545,756.20 : 99,650,672.70 = 43,702,978.60 : x
  2. Step 2: Convert to fraction form
    66,545,756.20/99,650,672.70 = 43,702,978.60/x
  3. Step 3: Cross multiply
    66,545,756.20x = 99,650,672.70 × 43,702,978.60
  4. Step 4: Simplify right side
    66,545,756.20x = 4,355,031,216,483,704.50
  5. Step 5: Solve for x
    x = 4,355,031,216,483,704.50/66,545,756.20
  6. Step 6: Final answer
    x = 65,444,161.51

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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.