Finding the Fourth Proportional to 286,515,319.83, 395,110,252.83 and 181,911,787.80
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Solution
The fourth proportional to 286,515,319.83, 395,110,252.83 and 181,911,787.80 is: 250,859,927.88
Step by Step Solution
- Step 1: Write the proportion equation
286,515,319.83 : 395,110,252.83 = 181,911,787.80 : x - Step 2: Convert to fraction form
286,515,319.83/395,110,252.83 = 181,911,787.80/x - Step 3: Cross multiply
286,515,319.83x = 395,110,252.83 × 181,911,787.80 - Step 4: Simplify right side
286,515,319.83x = 71,875,212,470,415,312 - Step 5: Solve for x
x = 71,875,212,470,415,312/286,515,319.83 - Step 6: Final answer
x = 250,859,927.88
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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.