Home / 69,987,114.30-104,980,671.45-65,735,586.30

Finding the Fourth Proportional to 69,987,114.30, 104,980,671.45 and 65,735,586.30

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Solution

The fourth proportional to 69,987,114.30, 104,980,671.45 and 65,735,586.30 is: 98,603,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,987,114.30 : 104,980,671.45 = 65,735,586.30 : x
  2. Step 2: Convert to fraction form
    69,987,114.30/104,980,671.45 = 65,735,586.30/x
  3. Step 3: Cross multiply
    69,987,114.30x = 104,980,671.45 × 65,735,586.30
  4. Step 4: Simplify right side
    69,987,114.30x = 6,900,965,987,933,421
  5. Step 5: Solve for x
    x = 6,900,965,987,933,421/69,987,114.30
  6. Step 6: Final answer
    x = 98,603,379.45

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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.