Home / 140,909,855.20-211,364,782.80-64,382,351.20

Finding the Fourth Proportional to 140,909,855.20, 211,364,782.80 and 64,382,351.20

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Solution

The fourth proportional to 140,909,855.20, 211,364,782.80 and 64,382,351.20 is: 96,573,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,909,855.20 : 211,364,782.80 = 64,382,351.20 : x
  2. Step 2: Convert to fraction form
    140,909,855.20/211,364,782.80 = 64,382,351.20/x
  3. Step 3: Cross multiply
    140,909,855.20x = 211,364,782.80 × 64,382,351.20
  4. Step 4: Simplify right side
    140,909,855.20x = 13,608,161,677,541,320
  5. Step 5: Solve for x
    x = 13,608,161,677,541,320/140,909,855.20
  6. Step 6: Final answer
    x = 96,573,526.80

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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.