Finding the Fourth Proportional to 166,901,342.78, 230,337,641.41 and 92,585,863.53
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Solution
The fourth proportional to 166,901,342.78, 230,337,641.41 and 92,585,863.53 is: 127,776,140.55
Step by Step Solution
- Step 1: Write the proportion equation
166,901,342.78 : 230,337,641.41 = 92,585,863.53 : x - Step 2: Convert to fraction form
166,901,342.78/230,337,641.41 = 92,585,863.53/x - Step 3: Cross multiply
166,901,342.78x = 230,337,641.41 × 92,585,863.53 - Step 4: Simplify right side
166,901,342.78x = 21,326,009,433,176,872 - Step 5: Solve for x
x = 21,326,009,433,176,872/166,901,342.78 - Step 6: Final answer
x = 127,776,140.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.