Finding the Fourth Proportional to 251,232,082.84, 376,847,657.70 and 78,722,110.36
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Solution
The fourth proportional to 251,232,082.84, 376,847,657.70 and 78,722,110.36 is: 118,083,019.35
Step by Step Solution
- Step 1: Write the proportion equation
251,232,082.84 : 376,847,657.70 = 78,722,110.36 : x - Step 2: Convert to fraction form
251,232,082.84/376,847,657.70 = 78,722,110.36/x - Step 3: Cross multiply
251,232,082.84x = 376,847,657.70 × 78,722,110.36 - Step 4: Simplify right side
251,232,082.84x = 29,666,242,898,366,904 - Step 5: Solve for x
x = 29,666,242,898,366,904/251,232,082.84 - Step 6: Final answer
x = 118,083,019.35
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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.