Home / 109,136,039.40-163,704,059.10-74,698,662.60

Finding the Fourth Proportional to 109,136,039.40, 163,704,059.10 and 74,698,662.60

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Solution

The fourth proportional to 109,136,039.40, 163,704,059.10 and 74,698,662.60 is: 112,047,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,136,039.40 : 163,704,059.10 = 74,698,662.60 : x
  2. Step 2: Convert to fraction form
    109,136,039.40/163,704,059.10 = 74,698,662.60/x
  3. Step 3: Cross multiply
    109,136,039.40x = 163,704,059.10 × 74,698,662.60
  4. Step 4: Simplify right side
    109,136,039.40x = 12,228,474,276,961,358
  5. Step 5: Solve for x
    x = 12,228,474,276,961,358/109,136,039.40
  6. Step 6: Final answer
    x = 112,047,993.90

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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.