Finding the Fourth Proportional to 272,815,756.62, 409,514,948.73 and 117,446,465.58
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Solution
The fourth proportional to 272,815,756.62, 409,514,948.73 and 117,446,465.58 is: 176,295,108.19
Step by Step Solution
- Step 1: Write the proportion equation
272,815,756.62 : 409,514,948.73 = 117,446,465.58 : x - Step 2: Convert to fraction form
272,815,756.62/409,514,948.73 = 117,446,465.58/x - Step 3: Cross multiply
272,815,756.62x = 409,514,948.73 × 117,446,465.58 - Step 4: Simplify right side
272,815,756.62x = 48,096,083,330,513,408 - Step 5: Solve for x
x = 48,096,083,330,513,408/272,815,756.62 - Step 6: Final answer
x = 176,295,108.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.