Finding the Fourth Proportional to 211,917,496.95, 292,470,386.81 and 117,841,023.81
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Solution
The fourth proportional to 211,917,496.95, 292,470,386.81 and 117,841,023.81 is: 162,634,092.57
Step by Step Solution
- Step 1: Write the proportion equation
211,917,496.95 : 292,470,386.81 = 117,841,023.81 : x - Step 2: Convert to fraction form
211,917,496.95/292,470,386.81 = 117,841,023.81/x - Step 3: Cross multiply
211,917,496.95x = 292,470,386.81 × 117,841,023.81 - Step 4: Simplify right side
211,917,496.95x = 34,465,009,815,207,916 - Step 5: Solve for x
x = 34,465,009,815,207,916/211,917,496.95 - Step 6: Final answer
x = 162,634,092.57
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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.