Home / 188,591,813-282,887,798.10-84,839,832.52

Finding the Fourth Proportional to 188,591,813, 282,887,798.10 and 84,839,832.52

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Solution

The fourth proportional to 188,591,813, 282,887,798.10 and 84,839,832.52 is: 127,259,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,591,813 : 282,887,798.10 = 84,839,832.52 : x
  2. Step 2: Convert to fraction form
    188,591,813/282,887,798.10 = 84,839,832.52/x
  3. Step 3: Cross multiply
    188,591,813x = 282,887,798.10 × 84,839,832.52
  4. Step 4: Simplify right side
    188,591,813x = 24,000,153,412,755,576
  5. Step 5: Solve for x
    x = 24,000,153,412,755,576/188,591,813
  6. Step 6: Final answer
    x = 127,259,784.14

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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.