Finding the Fourth Proportional to 115,706,208.65, 159,649,625.63 and 66,785,293.13
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Solution
The fourth proportional to 115,706,208.65, 159,649,625.63 and 66,785,293.13 is: 92,149,307.89
Step by Step Solution
- Step 1: Write the proportion equation
115,706,208.65 : 159,649,625.63 = 66,785,293.13 : x - Step 2: Convert to fraction form
115,706,208.65/159,649,625.63 = 66,785,293.13/x - Step 3: Cross multiply
115,706,208.65x = 159,649,625.63 × 66,785,293.13 - Step 4: Simplify right side
115,706,208.65x = 10,662,247,045,163,026 - Step 5: Solve for x
x = 10,662,247,045,163,026/115,706,208.65 - Step 6: Final answer
x = 92,149,307.89
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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.