Home / 154,845,584,353.64-213,658,539,608.91-86,255,290,548.44

Finding the Fourth Proportional to 154,845,584,353.64, 213,658,539,608.91 and 86,255,290,548.44

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Solution

The fourth proportional to 154,845,584,353.64, 213,658,539,608.91 and 86,255,290,548.44 is: 119,016,499,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,845,584,353.64 : 213,658,539,608.91 = 86,255,290,548.44 : x
  2. Step 2: Convert to fraction form
    154,845,584,353.64/213,658,539,608.91 = 86,255,290,548.44/x
  3. Step 3: Cross multiply
    154,845,584,353.64x = 213,658,539,608.91 × 86,255,290,548.44
  4. Step 4: Simplify right side
    154,845,584,353.64x = 18,429,179,412,121,909,198,848
  5. Step 5: Solve for x
    x = 18,429,179,412,121,909,198,848/154,845,584,353.64
  6. Step 6: Final answer
    x = 119,016,499,495.61

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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.