Finding the Fourth Proportional to 86,616,374.52, 129,160,226.31 and 85,838,852.28
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Solution
The fourth proportional to 86,616,374.52, 129,160,226.31 and 85,838,852.28 is: 128,000,804.10
Step by Step Solution
- Step 1: Write the proportion equation
86,616,374.52 : 129,160,226.31 = 85,838,852.28 : x - Step 2: Convert to fraction form
86,616,374.52/129,160,226.31 = 85,838,852.28/x - Step 3: Cross multiply
86,616,374.52x = 129,160,226.31 × 85,838,852.28 - Step 4: Simplify right side
86,616,374.52x = 11,086,965,586,675,460 - Step 5: Solve for x
x = 11,086,965,586,675,460/86,616,374.52 - Step 6: Final answer
x = 128,000,804.10
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.