Home / 312,854,865.96-469,282,299.66-166,846,075.50

Finding the Fourth Proportional to 312,854,865.96, 469,282,299.66 and 166,846,075.50

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Solution

The fourth proportional to 312,854,865.96, 469,282,299.66 and 166,846,075.50 is: 250,269,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,854,865.96 : 469,282,299.66 = 166,846,075.50 : x
  2. Step 2: Convert to fraction form
    312,854,865.96/469,282,299.66 = 166,846,075.50/x
  3. Step 3: Cross multiply
    312,854,865.96x = 469,282,299.66 × 166,846,075.50
  4. Step 4: Simplify right side
    312,854,865.96x = 78,297,909,999,885,984
  5. Step 5: Solve for x
    x = 78,297,909,999,885,984/312,854,865.96
  6. Step 6: Final answer
    x = 250,269,113.63

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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.