Home / 190,140,210.60-262,416,661.47-111,819,978.96

Finding the Fourth Proportional to 190,140,210.60, 262,416,661.47 and 111,819,978.96

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Solution

The fourth proportional to 190,140,210.60, 262,416,661.47 and 111,819,978.96 is: 154,325,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,140,210.60 : 262,416,661.47 = 111,819,978.96 : x
  2. Step 2: Convert to fraction form
    190,140,210.60/262,416,661.47 = 111,819,978.96/x
  3. Step 3: Cross multiply
    190,140,210.60x = 262,416,661.47 × 111,819,978.96
  4. Step 4: Simplify right side
    190,140,210.60x = 29,343,425,564,328,840
  5. Step 5: Solve for x
    x = 29,343,425,564,328,840/190,140,210.60
  6. Step 6: Final answer
    x = 154,325,197.56

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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.