Home / 68,106,011.60-102,194,889.24-39,372,326.48

Finding the Fourth Proportional to 68,106,011.60, 102,194,889.24 and 39,372,326.48

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Solution

The fourth proportional to 68,106,011.60, 102,194,889.24 and 39,372,326.48 is: 59,079,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,106,011.60 : 102,194,889.24 = 39,372,326.48 : x
  2. Step 2: Convert to fraction form
    68,106,011.60/102,194,889.24 = 39,372,326.48/x
  3. Step 3: Cross multiply
    68,106,011.60x = 102,194,889.24 × 39,372,326.48
  4. Step 4: Simplify right side
    68,106,011.60x = 4,023,650,543,744,718.50
  5. Step 5: Solve for x
    x = 4,023,650,543,744,718.50/68,106,011.60
  6. Step 6: Final answer
    x = 59,079,227.36

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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.