Home / 82,429,120.86-113,753,813.76-45,259,075.98

Finding the Fourth Proportional to 82,429,120.86, 113,753,813.76 and 45,259,075.98

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Solution

The fourth proportional to 82,429,120.86, 113,753,813.76 and 45,259,075.98 is: 62,458,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,429,120.86 : 113,753,813.76 = 45,259,075.98 : x
  2. Step 2: Convert to fraction form
    82,429,120.86/113,753,813.76 = 45,259,075.98/x
  3. Step 3: Cross multiply
    82,429,120.86x = 113,753,813.76 × 45,259,075.98
  4. Step 4: Simplify right side
    82,429,120.86x = 5,148,392,499,978,609
  5. Step 5: Solve for x
    x = 5,148,392,499,978,609/82,429,120.86
  6. Step 6: Final answer
    x = 62,458,418.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.