Home / 76,728,584.70-105,884,207.91-41,920,525.98

Finding the Fourth Proportional to 76,728,584.70, 105,884,207.91 and 41,920,525.98

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Solution

The fourth proportional to 76,728,584.70, 105,884,207.91 and 41,920,525.98 is: 57,849,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728,584.70 : 105,884,207.91 = 41,920,525.98 : x
  2. Step 2: Convert to fraction form
    76,728,584.70/105,884,207.91 = 41,920,525.98/x
  3. Step 3: Cross multiply
    76,728,584.70x = 105,884,207.91 × 41,920,525.98
  4. Step 4: Simplify right side
    76,728,584.70x = 4,438,721,688,562,876
  5. Step 5: Solve for x
    x = 4,438,721,688,562,876/76,728,584.70
  6. Step 6: Final answer
    x = 57,849,648.94

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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.