Finding the Fourth Proportional to 165,318,491.57, 228,139,452.35 and 90,979,052.11
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Solution
The fourth proportional to 165,318,491.57, 228,139,452.35 and 90,979,052.11 is: 125,551,055.58
Step by Step Solution
- Step 1: Write the proportion equation
165,318,491.57 : 228,139,452.35 = 90,979,052.11 : x - Step 2: Convert to fraction form
165,318,491.57/228,139,452.35 = 90,979,052.11/x - Step 3: Cross multiply
165,318,491.57x = 228,139,452.35 × 90,979,052.11 - Step 4: Simplify right side
165,318,491.57x = 20,755,911,123,013,440 - Step 5: Solve for x
x = 20,755,911,123,013,440/165,318,491.57 - Step 6: Final answer
x = 125,551,055.58
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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.