Home / 116,645,231.40-174,967,847.10-90,947,106.60

Finding the Fourth Proportional to 116,645,231.40, 174,967,847.10 and 90,947,106.60

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Solution

The fourth proportional to 116,645,231.40, 174,967,847.10 and 90,947,106.60 is: 136,420,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,645,231.40 : 174,967,847.10 = 90,947,106.60 : x
  2. Step 2: Convert to fraction form
    116,645,231.40/174,967,847.10 = 90,947,106.60/x
  3. Step 3: Cross multiply
    116,645,231.40x = 174,967,847.10 × 90,947,106.60
  4. Step 4: Simplify right side
    116,645,231.40x = 15,912,819,441,776,200
  5. Step 5: Solve for x
    x = 15,912,819,441,776,200/116,645,231.40
  6. Step 6: Final answer
    x = 136,420,659.90

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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.