Home / 140,928,015.40-211,392,023.10-130,724,348.20

Finding the Fourth Proportional to 140,928,015.40, 211,392,023.10 and 130,724,348.20

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Solution

The fourth proportional to 140,928,015.40, 211,392,023.10 and 130,724,348.20 is: 196,086,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,928,015.40 : 211,392,023.10 = 130,724,348.20 : x
  2. Step 2: Convert to fraction form
    140,928,015.40/211,392,023.10 = 130,724,348.20/x
  3. Step 3: Cross multiply
    140,928,015.40x = 211,392,023.10 × 130,724,348.20
  4. Step 4: Simplify right side
    140,928,015.40x = 27,634,084,434,426,844
  5. Step 5: Solve for x
    x = 27,634,084,434,426,844/140,928,015.40
  6. Step 6: Final answer
    x = 196,086,522.30

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1.5x scale

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.