Finding the Fourth Proportional to 165,554,276.47, 228,471,949.70 and 92,215,450.87
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Solution
The fourth proportional to 165,554,276.47, 228,471,949.70 and 92,215,450.87 is: 127,261,248.11
Step by Step Solution
- Step 1: Write the proportion equation
165,554,276.47 : 228,471,949.70 = 92,215,450.87 : x - Step 2: Convert to fraction form
165,554,276.47/228,471,949.70 = 92,215,450.87/x - Step 3: Cross multiply
165,554,276.47x = 228,471,949.70 × 92,215,450.87 - Step 4: Simplify right side
165,554,276.47x = 21,068,643,852,733,460 - Step 5: Solve for x
x = 21,068,643,852,733,460/165,554,276.47 - Step 6: Final answer
x = 127,261,248.11
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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.