Finding the Fourth Proportional to 151,825,347.05, 209,519,263.95 and 84,844,305.64
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Solution
The fourth proportional to 151,825,347.05, 209,519,263.95 and 84,844,305.64 is: 117,085,301.06
Step by Step Solution
- Step 1: Write the proportion equation
151,825,347.05 : 209,519,263.95 = 84,844,305.64 : x - Step 2: Convert to fraction form
151,825,347.05/209,519,263.95 = 84,844,305.64/x - Step 3: Cross multiply
151,825,347.05x = 209,519,263.95 × 84,844,305.64 - Step 4: Simplify right side
151,825,347.05x = 17,776,516,468,041,632 - Step 5: Solve for x
x = 17,776,516,468,041,632/151,825,347.05 - Step 6: Final answer
x = 117,085,301.06
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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.