Home / 126,119,468.48-174,044,789.52-68,172,716.48

Finding the Fourth Proportional to 126,119,468.48, 174,044,789.52 and 68,172,716.48

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Solution

The fourth proportional to 126,119,468.48, 174,044,789.52 and 68,172,716.48 is: 94,078,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,119,468.48 : 174,044,789.52 = 68,172,716.48 : x
  2. Step 2: Convert to fraction form
    126,119,468.48/174,044,789.52 = 68,172,716.48/x
  3. Step 3: Cross multiply
    126,119,468.48x = 174,044,789.52 × 68,172,716.48
  4. Step 4: Simplify right side
    126,119,468.48x = 11,865,106,090,768,236
  5. Step 5: Solve for x
    x = 11,865,106,090,768,236/126,119,468.48
  6. Step 6: Final answer
    x = 94,078,307.13

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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.