Home / 82,732,381.44-123,937,128.32-64,450,977.12

Finding the Fourth Proportional to 82,732,381.44, 123,937,128.32 and 64,450,977.12

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Solution

The fourth proportional to 82,732,381.44, 123,937,128.32 and 64,450,977.12 is: 96,550,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732,381.44 : 123,937,128.32 = 64,450,977.12 : x
  2. Step 2: Convert to fraction form
    82,732,381.44/123,937,128.32 = 64,450,977.12/x
  3. Step 3: Cross multiply
    82,732,381.44x = 123,937,128.32 × 64,450,977.12
  4. Step 4: Simplify right side
    82,732,381.44x = 7,987,869,021,670,823
  5. Step 5: Solve for x
    x = 7,987,869,021,670,823/82,732,381.44
  6. Step 6: Final answer
    x = 96,550,696.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.