Home / 140,928,015.90-211,392,023.85-130,724,348.70

Finding the Fourth Proportional to 140,928,015.90, 211,392,023.85 and 130,724,348.70

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Solution

The fourth proportional to 140,928,015.90, 211,392,023.85 and 130,724,348.70 is: 196,086,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,928,015.90 : 211,392,023.85 = 130,724,348.70 : x
  2. Step 2: Convert to fraction form
    140,928,015.90/211,392,023.85 = 130,724,348.70/x
  3. Step 3: Cross multiply
    140,928,015.90x = 211,392,023.85 × 130,724,348.70
  4. Step 4: Simplify right side
    140,928,015.90x = 27,634,084,638,166,116
  5. Step 5: Solve for x
    x = 27,634,084,638,166,116/140,928,015.90
  6. Step 6: Final answer
    x = 196,086,523.05

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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.