Home / 74,734,136.40-112,101,204.60-20,881,448.40

Finding the Fourth Proportional to 74,734,136.40, 112,101,204.60 and 20,881,448.40

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Solution

The fourth proportional to 74,734,136.40, 112,101,204.60 and 20,881,448.40 is: 31,322,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,136.40 : 112,101,204.60 = 20,881,448.40 : x
  2. Step 2: Convert to fraction form
    74,734,136.40/112,101,204.60 = 20,881,448.40/x
  3. Step 3: Cross multiply
    74,734,136.40x = 112,101,204.60 × 20,881,448.40
  4. Step 4: Simplify right side
    74,734,136.40x = 2,340,835,519,432,742.50
  5. Step 5: Solve for x
    x = 2,340,835,519,432,742.50/74,734,136.40
  6. Step 6: Final answer
    x = 31,322,172.60

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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.