Finding the Fourth Proportional to 166,395,985.16, 229,625,675.70 and 93,057,418.76
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Solution
The fourth proportional to 166,395,985.16, 229,625,675.70 and 93,057,418.76 is: 128,418,799.53
Step by Step Solution
- Step 1: Write the proportion equation
166,395,985.16 : 229,625,675.70 = 93,057,418.76 : x - Step 2: Convert to fraction form
166,395,985.16/229,625,675.70 = 93,057,418.76/x - Step 3: Cross multiply
166,395,985.16x = 229,625,675.70 × 93,057,418.76 - Step 4: Simplify right side
166,395,985.16x = 21,368,372,661,662,856 - Step 5: Solve for x
x = 21,368,372,661,662,856/166,395,985.16 - Step 6: Final answer
x = 128,418,799.53
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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.