Finding the Fourth Proportional to 197,756,674.12, 296,574,420.30 and 136,737,945.28
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Solution
The fourth proportional to 197,756,674.12, 296,574,420.30 and 136,737,945.28 is: 205,065,022.63
Step by Step Solution
- Step 1: Write the proportion equation
197,756,674.12 : 296,574,420.30 = 136,737,945.28 : x - Step 2: Convert to fraction form
197,756,674.12/296,574,420.30 = 136,737,945.28/x - Step 3: Cross multiply
197,756,674.12x = 296,574,420.30 × 136,737,945.28 - Step 4: Simplify right side
197,756,674.12x = 40,552,976,854,429,120 - Step 5: Solve for x
x = 40,552,976,854,429,120/197,756,674.12 - Step 6: Final answer
x = 205,065,022.63
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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.