Finding the Fourth Proportional to 135,306,326.61, 186,722,852.81 and 73,426,665.78
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Solution
The fourth proportional to 135,306,326.61, 186,722,852.81 and 73,426,665.78 is: 101,328,865.03
Step by Step Solution
- Step 1: Write the proportion equation
135,306,326.61 : 186,722,852.81 = 73,426,665.78 : x - Step 2: Convert to fraction form
135,306,326.61/186,722,852.81 = 73,426,665.78/x - Step 3: Cross multiply
135,306,326.61x = 186,722,852.81 × 73,426,665.78 - Step 4: Simplify right side
135,306,326.61x = 13,710,436,506,400,872 - Step 5: Solve for x
x = 13,710,436,506,400,872/135,306,326.61 - Step 6: Final answer
x = 101,328,865.03
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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.