Home / 82,509,090,813.42-123,763,481,733.17-25,853,291,080.53

Finding the Fourth Proportional to 82,509,090,813.42, 123,763,481,733.17 and 25,853,291,080.53

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Solution

The fourth proportional to 82,509,090,813.42, 123,763,481,733.17 and 25,853,291,080.53 is: 38,779,888,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,090,813.42 : 123,763,481,733.17 = 25,853,291,080.53 : x
  2. Step 2: Convert to fraction form
    82,509,090,813.42/123,763,481,733.17 = 25,853,291,080.53/x
  3. Step 3: Cross multiply
    82,509,090,813.42x = 123,763,481,733.17 × 25,853,291,080.53
  4. Step 4: Simplify right side
    82,509,090,813.42x = 3,199,693,318,387,501,367,296
  5. Step 5: Solve for x
    x = 3,199,693,318,387,501,367,296/82,509,090,813.42
  6. Step 6: Final answer
    x = 38,779,888,214.05

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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.