Home / 103,664,683.50-155,522,600.91-30,881,181.30

Finding the Fourth Proportional to 103,664,683.50, 155,522,600.91 and 30,881,181.30

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Solution

The fourth proportional to 103,664,683.50, 155,522,600.91 and 30,881,181.30 is: 46,329,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664,683.50 : 155,522,600.91 = 30,881,181.30 : x
  2. Step 2: Convert to fraction form
    103,664,683.50/155,522,600.91 = 30,881,181.30/x
  3. Step 3: Cross multiply
    103,664,683.50x = 155,522,600.91 × 30,881,181.30
  4. Step 4: Simplify right side
    103,664,683.50x = 4,802,721,634,949,255
  5. Step 5: Solve for x
    x = 4,802,721,634,949,255/103,664,683.50
  6. Step 6: Final answer
    x = 46,329,390.81

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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.