Finding the Fourth Proportional to 197,756,673.12, 296,574,418.80 and 136,737,944.28
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Solution
The fourth proportional to 197,756,673.12, 296,574,418.80 and 136,737,944.28 is: 205,065,021.13
Step by Step Solution
- Step 1: Write the proportion equation
197,756,673.12 : 296,574,418.80 = 136,737,944.28 : x - Step 2: Convert to fraction form
197,756,673.12/296,574,418.80 = 136,737,944.28/x - Step 3: Cross multiply
197,756,673.12x = 296,574,418.80 × 136,737,944.28 - Step 4: Simplify right side
197,756,673.12x = 40,552,976,352,747,784 - Step 5: Solve for x
x = 40,552,976,352,747,784/197,756,673.12 - Step 6: Final answer
x = 205,065,021.13
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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.