Home / 76,702,735.08-105,849,074.70-41,895,415.89

Finding the Fourth Proportional to 76,702,735.08, 105,849,074.70 and 41,895,415.89

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Solution

The fourth proportional to 76,702,735.08, 105,849,074.70 and 41,895,415.89 is: 57,815,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702,735.08 : 105,849,074.70 = 41,895,415.89 : x
  2. Step 2: Convert to fraction form
    76,702,735.08/105,849,074.70 = 41,895,415.89/x
  3. Step 3: Cross multiply
    76,702,735.08x = 105,849,074.70 × 41,895,415.89
  4. Step 4: Simplify right side
    76,702,735.08x = 4,434,591,006,128,177
  5. Step 5: Solve for x
    x = 4,434,591,006,128,177/76,702,735.08
  6. Step 6: Final answer
    x = 57,815,291.74

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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.