Home / 147,216,579.46-203,158,265.74-81,136,920.01

Finding the Fourth Proportional to 147,216,579.46, 203,158,265.74 and 81,136,920.01

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Solution

The fourth proportional to 147,216,579.46, 203,158,265.74 and 81,136,920.01 is: 111,968,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216,579.46 : 203,158,265.74 = 81,136,920.01 : x
  2. Step 2: Convert to fraction form
    147,216,579.46/203,158,265.74 = 81,136,920.01/x
  3. Step 3: Cross multiply
    147,216,579.46x = 203,158,265.74 × 81,136,920.01
  4. Step 4: Simplify right side
    147,216,579.46x = 16,483,635,956,311,022
  5. Step 5: Solve for x
    x = 16,483,635,956,311,022/147,216,579.46
  6. Step 6: Final answer
    x = 111,968,611.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.