Home / 158,802,867.19-219,138,349.79-88,236,064.50

Finding the Fourth Proportional to 158,802,867.19, 219,138,349.79 and 88,236,064.50

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Solution

The fourth proportional to 158,802,867.19, 219,138,349.79 and 88,236,064.50 is: 121,760,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,802,867.19 : 219,138,349.79 = 88,236,064.50 : x
  2. Step 2: Convert to fraction form
    158,802,867.19/219,138,349.79 = 88,236,064.50/x
  3. Step 3: Cross multiply
    158,802,867.19x = 219,138,349.79 × 88,236,064.50
  4. Step 4: Simplify right side
    158,802,867.19x = 19,335,905,565,892,824
  5. Step 5: Solve for x
    x = 19,335,905,565,892,824/158,802,867.19
  6. Step 6: Final answer
    x = 121,760,431.08

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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.