Home / 82,191,225.75-113,419,860.98-45,021,670.94

Finding the Fourth Proportional to 82,191,225.75, 113,419,860.98 and 45,021,670.94

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Solution

The fourth proportional to 82,191,225.75, 113,419,860.98 and 45,021,670.94 is: 62,127,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191,225.75 : 113,419,860.98 = 45,021,670.94 : x
  2. Step 2: Convert to fraction form
    82,191,225.75/113,419,860.98 = 45,021,670.94/x
  3. Step 3: Cross multiply
    82,191,225.75x = 113,419,860.98 × 45,021,670.94
  4. Step 4: Simplify right side
    82,191,225.75x = 5,106,351,658,309,898
  5. Step 5: Solve for x
    x = 5,106,351,658,309,898/82,191,225.75
  6. Step 6: Final answer
    x = 62,127,698.08

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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.