Home / 190,140,210.10-262,416,660.78-111,819,978.46

Finding the Fourth Proportional to 190,140,210.10, 262,416,660.78 and 111,819,978.46

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Solution

The fourth proportional to 190,140,210.10, 262,416,660.78 and 111,819,978.46 is: 154,325,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,140,210.10 : 262,416,660.78 = 111,819,978.46 : x
  2. Step 2: Convert to fraction form
    190,140,210.10/262,416,660.78 = 111,819,978.46/x
  3. Step 3: Cross multiply
    190,140,210.10x = 262,416,660.78 × 111,819,978.46
  4. Step 4: Simplify right side
    190,140,210.10x = 29,343,425,355,964,724
  5. Step 5: Solve for x
    x = 29,343,425,355,964,724/190,140,210.10
  6. Step 6: Final answer
    x = 154,325,196.87

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1.5x scale

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.