Home / 76,728,588.70-105,884,213.43-41,920,529.98

Finding the Fourth Proportional to 76,728,588.70, 105,884,213.43 and 41,920,529.98

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Solution

The fourth proportional to 76,728,588.70, 105,884,213.43 and 41,920,529.98 is: 57,849,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728,588.70 : 105,884,213.43 = 41,920,529.98 : x
  2. Step 2: Convert to fraction form
    76,728,588.70/105,884,213.43 = 41,920,529.98/x
  3. Step 3: Cross multiply
    76,728,588.70x = 105,884,213.43 × 41,920,529.98
  4. Step 4: Simplify right side
    76,728,588.70x = 4,438,722,343,501,033.50
  5. Step 5: Solve for x
    x = 4,438,722,343,501,033.50/76,728,588.70
  6. Step 6: Final answer
    x = 57,849,654.46

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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.