Finding the Fourth Proportional to 112,473,726.05, 155,151,258.44 and 65,425,503.09
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Solution
The fourth proportional to 112,473,726.05, 155,151,258.44 and 65,425,503.09 is: 90,250,847.86
Step by Step Solution
- Step 1: Write the proportion equation
112,473,726.05 : 155,151,258.44 = 65,425,503.09 : x - Step 2: Convert to fraction form
112,473,726.05/155,151,258.44 = 65,425,503.09/x - Step 3: Cross multiply
112,473,726.05x = 155,151,258.44 × 65,425,503.09 - Step 4: Simplify right side
112,473,726.05x = 10,150,849,138,738,298 - Step 5: Solve for x
x = 10,150,849,138,738,298/112,473,726.05 - Step 6: Final answer
x = 90,250,847.86
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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.