Home / 140,855,729.80-211,283,594.70-97,017,752.20

Finding the Fourth Proportional to 140,855,729.80, 211,283,594.70 and 97,017,752.20

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Solution

The fourth proportional to 140,855,729.80, 211,283,594.70 and 97,017,752.20 is: 145,526,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,855,729.80 : 211,283,594.70 = 97,017,752.20 : x
  2. Step 2: Convert to fraction form
    140,855,729.80/211,283,594.70 = 97,017,752.20/x
  3. Step 3: Cross multiply
    140,855,729.80x = 211,283,594.70 × 97,017,752.20
  4. Step 4: Simplify right side
    140,855,729.80x = 20,498,259,434,529,832
  5. Step 5: Solve for x
    x = 20,498,259,434,529,832/140,855,729.80
  6. Step 6: Final answer
    x = 145,526,628.30

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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.