Finding the Fourth Proportional to 135,306,332.16, 186,722,860.44 and 73,426,671.28
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Solution
The fourth proportional to 135,306,332.16, 186,722,860.44 and 73,426,671.28 is: 101,328,872.60
Step by Step Solution
- Step 1: Write the proportion equation
135,306,332.16 : 186,722,860.44 = 73,426,671.28 : x - Step 2: Convert to fraction form
135,306,332.16/186,722,860.44 = 73,426,671.28/x - Step 3: Cross multiply
135,306,332.16x = 186,722,860.44 × 73,426,671.28 - Step 4: Simplify right side
135,306,332.16x = 13,710,438,093,989,196 - Step 5: Solve for x
x = 13,710,438,093,989,196/135,306,332.16 - Step 6: Final answer
x = 101,328,872.60
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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.