Home / 69,670,842.66-104,447,805.48-30,803,019.39

Finding the Fourth Proportional to 69,670,842.66, 104,447,805.48 and 30,803,019.39

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Solution

The fourth proportional to 69,670,842.66, 104,447,805.48 and 30,803,019.39 is: 46,178,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670,842.66 : 104,447,805.48 = 30,803,019.39 : x
  2. Step 2: Convert to fraction form
    69,670,842.66/104,447,805.48 = 30,803,019.39/x
  3. Step 3: Cross multiply
    69,670,842.66x = 104,447,805.48 × 30,803,019.39
  4. Step 4: Simplify right side
    69,670,842.66x = 3,217,307,777,443,388.50
  5. Step 5: Solve for x
    x = 3,217,307,777,443,388.50/69,670,842.66
  6. Step 6: Final answer
    x = 46,178,683.29

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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.