Finding the Fourth Proportional to 96,509,706.60, 133,139,009.70 and 85,507,677.48
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Solution
The fourth proportional to 96,509,706.60, 133,139,009.70 and 85,507,677.48 is: 117,961,269.42
Step by Step Solution
- Step 1: Write the proportion equation
96,509,706.60 : 133,139,009.70 = 85,507,677.48 : x - Step 2: Convert to fraction form
96,509,706.60/133,139,009.70 = 85,507,677.48/x - Step 3: Cross multiply
96,509,706.60x = 133,139,009.70 × 85,507,677.48 - Step 4: Simplify right side
96,509,706.60x = 11,384,407,501,434,192 - Step 5: Solve for x
x = 11,384,407,501,434,192/96,509,706.60 - Step 6: Final answer
x = 117,961,269.42
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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.