Home / 168,942,497,384.47-233,160,633,272.09-100,354,181,485.54

Finding the Fourth Proportional to 168,942,497,384.47, 233,160,633,272.09 and 100,354,181,485.54

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Solution

The fourth proportional to 168,942,497,384.47, 233,160,633,272.09 and 100,354,181,485.54 is: 138,500,642,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,942,497,384.47 : 233,160,633,272.09 = 100,354,181,485.54 : x
  2. Step 2: Convert to fraction form
    168,942,497,384.47/233,160,633,272.09 = 100,354,181,485.54/x
  3. Step 3: Cross multiply
    168,942,497,384.47x = 233,160,633,272.09 × 100,354,181,485.54
  4. Step 4: Simplify right side
    168,942,497,384.47x = 23,398,644,506,670,753,906,688
  5. Step 5: Solve for x
    x = 23,398,644,506,670,753,906,688/168,942,497,384.47
  6. Step 6: Final answer
    x = 138,500,642,934.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.