Home / 69,547,760.40-104,321,640.60-39,314,672.40

Finding the Fourth Proportional to 69,547,760.40, 104,321,640.60 and 39,314,672.40

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Solution

The fourth proportional to 69,547,760.40, 104,321,640.60 and 39,314,672.40 is: 58,972,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547,760.40 : 104,321,640.60 = 39,314,672.40 : x
  2. Step 2: Convert to fraction form
    69,547,760.40/104,321,640.60 = 39,314,672.40/x
  3. Step 3: Cross multiply
    69,547,760.40x = 104,321,640.60 × 39,314,672.40
  4. Step 4: Simplify right side
    69,547,760.40x = 4,101,371,124,419,539
  5. Step 5: Solve for x
    x = 4,101,371,124,419,539/69,547,760.40
  6. Step 6: Final answer
    x = 58,972,008.60

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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.