Home / 140,952,651.60-211,428,977.40-76,382,570.10

Finding the Fourth Proportional to 140,952,651.60, 211,428,977.40 and 76,382,570.10

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Solution

The fourth proportional to 140,952,651.60, 211,428,977.40 and 76,382,570.10 is: 114,573,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,952,651.60 : 211,428,977.40 = 76,382,570.10 : x
  2. Step 2: Convert to fraction form
    140,952,651.60/211,428,977.40 = 76,382,570.10/x
  3. Step 3: Cross multiply
    140,952,651.60x = 211,428,977.40 × 76,382,570.10
  4. Step 4: Simplify right side
    140,952,651.60x = 16,149,488,687,426,814
  5. Step 5: Solve for x
    x = 16,149,488,687,426,814/140,952,651.60
  6. Step 6: Final answer
    x = 114,573,855.15

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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.