Finding the Fourth Proportional to 128,092,664.26, 176,767,960.11 and 69,355,369.20
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Solution
The fourth proportional to 128,092,664.26, 176,767,960.11 and 69,355,369.20 is: 95,710,454.67
Step by Step Solution
- Step 1: Write the proportion equation
128,092,664.26 : 176,767,960.11 = 69,355,369.20 : x - Step 2: Convert to fraction form
128,092,664.26/176,767,960.11 = 69,355,369.20/x - Step 3: Cross multiply
128,092,664.26x = 176,767,960.11 × 69,355,369.20 - Step 4: Simplify right side
128,092,664.26x = 12,259,807,136,159,924 - Step 5: Solve for x
x = 12,259,807,136,159,924/128,092,664.26 - Step 6: Final answer
x = 95,710,454.67
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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.