Home / 76,963,072.22-106,219,608.32-47,188,455.98

Finding the Fourth Proportional to 76,963,072.22, 106,219,608.32 and 47,188,455.98

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Solution

The fourth proportional to 76,963,072.22, 106,219,608.32 and 47,188,455.98 is: 65,126,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,963,072.22 : 106,219,608.32 = 47,188,455.98 : x
  2. Step 2: Convert to fraction form
    76,963,072.22/106,219,608.32 = 47,188,455.98/x
  3. Step 3: Cross multiply
    76,963,072.22x = 106,219,608.32 × 47,188,455.98
  4. Step 4: Simplify right side
    76,963,072.22x = 5,012,339,311,421,161
  5. Step 5: Solve for x
    x = 5,012,339,311,421,161/76,963,072.22
  6. Step 6: Final answer
    x = 65,126,549.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.