Finding the Fourth Proportional to 133,657,772.80, 184,436,456.64 and 74,120,776.96
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Solution
The fourth proportional to 133,657,772.80, 184,436,456.64 and 74,120,776.96 is: 102,280,422.45
Step by Step Solution
- Step 1: Write the proportion equation
133,657,772.80 : 184,436,456.64 = 74,120,776.96 : x - Step 2: Convert to fraction form
133,657,772.80/184,436,456.64 = 74,120,776.96/x - Step 3: Cross multiply
133,657,772.80x = 184,436,456.64 × 74,120,776.96 - Step 4: Simplify right side
133,657,772.80x = 13,670,573,465,906,148 - Step 5: Solve for x
x = 13,670,573,465,906,148/133,657,772.80 - Step 6: Final answer
x = 102,280,422.45
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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.