Home / 188,856,607.40-283,284,911.10-112,140,146.60

Finding the Fourth Proportional to 188,856,607.40, 283,284,911.10 and 112,140,146.60

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Solution

The fourth proportional to 188,856,607.40, 283,284,911.10 and 112,140,146.60 is: 168,210,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,856,607.40 : 283,284,911.10 = 112,140,146.60 : x
  2. Step 2: Convert to fraction form
    188,856,607.40/283,284,911.10 = 112,140,146.60/x
  3. Step 3: Cross multiply
    188,856,607.40x = 283,284,911.10 × 112,140,146.60
  4. Step 4: Simplify right side
    188,856,607.40x = 31,767,611,460,321,968
  5. Step 5: Solve for x
    x = 31,767,611,460,321,968/188,856,607.40
  6. Step 6: Final answer
    x = 168,210,219.90

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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.