Finding the Fourth Proportional to 186,257,612.42, 257,041,328.85 and 106,887,194.31
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Solution
The fourth proportional to 186,257,612.42, 257,041,328.85 and 106,887,194.31 is: 147,507,670.19
Step by Step Solution
- Step 1: Write the proportion equation
186,257,612.42 : 257,041,328.85 = 106,887,194.31 : x - Step 2: Convert to fraction form
186,257,612.42/257,041,328.85 = 106,887,194.31/x - Step 3: Cross multiply
186,257,612.42x = 257,041,328.85 × 106,887,194.31 - Step 4: Simplify right side
186,257,612.42x = 27,474,426,463,133,160 - Step 5: Solve for x
x = 27,474,426,463,133,160/186,257,612.42 - Step 6: Final answer
x = 147,507,670.19
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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.