Finding the Fourth Proportional to 266,755,360.13, 368,160,902.67 and 153,703,199.82
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Solution
The fourth proportional to 266,755,360.13, 368,160,902.67 and 153,703,199.82 is: 212,132,602.55
Step by Step Solution
- Step 1: Write the proportion equation
266,755,360.13 : 368,160,902.67 = 153,703,199.82 : x - Step 2: Convert to fraction form
266,755,360.13/368,160,902.67 = 153,703,199.82/x - Step 3: Cross multiply
266,755,360.13x = 368,160,902.67 × 153,703,199.82 - Step 4: Simplify right side
266,755,360.13x = 56,587,508,787,802,288 - Step 5: Solve for x
x = 56,587,508,787,802,288/266,755,360.13 - Step 6: Final answer
x = 212,132,602.55
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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.