Finding the Fourth Proportional to 176,553,345.26, 243,643,388.18 and 109,547,381.94
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Solution
The fourth proportional to 176,553,345.26, 243,643,388.18 and 109,547,381.94 is: 151,175,245.44
Step by Step Solution
- Step 1: Write the proportion equation
176,553,345.26 : 243,643,388.18 = 109,547,381.94 : x - Step 2: Convert to fraction form
176,553,345.26/243,643,388.18 = 109,547,381.94/x - Step 3: Cross multiply
176,553,345.26x = 243,643,388.18 × 109,547,381.94 - Step 4: Simplify right side
176,553,345.26x = 26,690,495,301,562,404 - Step 5: Solve for x
x = 26,690,495,301,562,404/176,553,345.26 - Step 6: Final answer
x = 151,175,245.44
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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.