Home / 83,382,216.72-115,000,364.67-73,302,163.01

Finding the Fourth Proportional to 83,382,216.72, 115,000,364.67 and 73,302,163.01

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Solution

The fourth proportional to 83,382,216.72, 115,000,364.67 and 73,302,163.01 is: 101,098,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382,216.72 : 115,000,364.67 = 73,302,163.01 : x
  2. Step 2: Convert to fraction form
    83,382,216.72/115,000,364.67 = 73,302,163.01/x
  3. Step 3: Cross multiply
    83,382,216.72x = 115,000,364.67 × 73,302,163.01
  4. Step 4: Simplify right side
    83,382,216.72x = 8,429,775,476,674,783
  5. Step 5: Solve for x
    x = 8,429,775,476,674,783/83,382,216.72
  6. Step 6: Final answer
    x = 101,098,001.57

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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.