Home / 112,473,787,357.86-155,203,567,580.97-66,740,181,843.30

Finding the Fourth Proportional to 112,473,787,357.86, 155,203,567,580.97 and 66,740,181,843.30

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Solution

The fourth proportional to 112,473,787,357.86, 155,203,567,580.97 and 66,740,181,843.30 is: 92,095,363,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,473,787,357.86 : 155,203,567,580.97 = 66,740,181,843.30 : x
  2. Step 2: Convert to fraction form
    112,473,787,357.86/155,203,567,580.97 = 66,740,181,843.30/x
  3. Step 3: Cross multiply
    112,473,787,357.86x = 155,203,567,580.97 × 66,740,181,843.30
  4. Step 4: Simplify right side
    112,473,787,357.86x = 10,358,314,323,082,838,278,144
  5. Step 5: Solve for x
    x = 10,358,314,323,082,838,278,144/112,473,787,357.86
  6. Step 6: Final answer
    x = 92,095,363,430.11

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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.