Finding the Fourth Proportional to 77,046,472.68, 115,609,442.56 and 36,110,070.67
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Solution
The fourth proportional to 77,046,472.68, 115,609,442.56 and 36,110,070.67 is: 54,183,728.29
Step by Step Solution
- Step 1: Write the proportion equation
77,046,472.68 : 115,609,442.56 = 36,110,070.67 : x - Step 2: Convert to fraction form
77,046,472.68/115,609,442.56 = 36,110,070.67/x - Step 3: Cross multiply
77,046,472.68x = 115,609,442.56 × 36,110,070.67 - Step 4: Simplify right side
77,046,472.68x = 4,174,665,141,153,942 - Step 5: Solve for x
x = 4,174,665,141,153,942/77,046,472.68 - Step 6: Final answer
x = 54,183,728.29
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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.