Finding the Fourth Proportional to 276,680,616.36, 381,818,927.04 and 151,233,636.18
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Solution
The fourth proportional to 276,680,616.36, 381,818,927.04 and 151,233,636.18 is: 208,702,241.08
Step by Step Solution
- Step 1: Write the proportion equation
276,680,616.36 : 381,818,927.04 = 151,233,636.18 : x - Step 2: Convert to fraction form
276,680,616.36/381,818,927.04 = 151,233,636.18/x - Step 3: Cross multiply
276,680,616.36x = 381,818,927.04 × 151,233,636.18 - Step 4: Simplify right side
276,680,616.36x = 57,743,864,698,605,328 - Step 5: Solve for x
x = 57,743,864,698,605,328/276,680,616.36 - Step 6: Final answer
x = 208,702,241.08
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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.