Finding the Fourth Proportional to 76,774,330.17, 115,161,495.66 and 25,656,349.05
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Solution
The fourth proportional to 76,774,330.17, 115,161,495.66 and 25,656,349.05 is: 38,484,523.71
Step by Step Solution
- Step 1: Write the proportion equation
76,774,330.17 : 115,161,495.66 = 25,656,349.05 : x - Step 2: Convert to fraction form
76,774,330.17/115,161,495.66 = 25,656,349.05/x - Step 3: Cross multiply
76,774,330.17x = 115,161,495.66 × 25,656,349.05 - Step 4: Simplify right side
76,774,330.17x = 2,954,623,529,773,020 - Step 5: Solve for x
x = 2,954,623,529,773,020/76,774,330.17 - Step 6: Final answer
x = 38,484,523.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.