Finding the Fourth Proportional to 291,519,492.15, 402,299,576.01 and 166,069,828.83
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Solution
The fourth proportional to 291,519,492.15, 402,299,576.01 and 166,069,828.83 is: 229,177,888.70
Step by Step Solution
- Step 1: Write the proportion equation
291,519,492.15 : 402,299,576.01 = 166,069,828.83 : x - Step 2: Convert to fraction form
291,519,492.15/402,299,576.01 = 166,069,828.83/x - Step 3: Cross multiply
291,519,492.15x = 402,299,576.01 × 166,069,828.83 - Step 4: Simplify right side
291,519,492.15x = 66,809,821,726,362,280 - Step 5: Solve for x
x = 66,809,821,726,362,280/291,519,492.15 - Step 6: Final answer
x = 229,177,888.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.