Finding the Fourth Proportional to 157,246,528.08, 217,000,935.72 and 91,206,126.48
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Solution
The fourth proportional to 157,246,528.08, 217,000,935.72 and 91,206,126.48 is: 125,864,876.20
Step by Step Solution
- Step 1: Write the proportion equation
157,246,528.08 : 217,000,935.72 = 91,206,126.48 : x - Step 2: Convert to fraction form
157,246,528.08/217,000,935.72 = 91,206,126.48/x - Step 3: Cross multiply
157,246,528.08x = 217,000,935.72 × 91,206,126.48 - Step 4: Simplify right side
157,246,528.08x = 19,791,814,789,556,672 - Step 5: Solve for x
x = 19,791,814,789,556,672/157,246,528.08 - Step 6: Final answer
x = 125,864,876.20
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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.