Finding the Fourth Proportional to 97,018,078.68, 133,884,631.50 and 52,965,619.56
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Solution
The fourth proportional to 97,018,078.68, 133,884,631.50 and 52,965,619.56 is: 73,092,381.89
Step by Step Solution
- Step 1: Write the proportion equation
97,018,078.68 : 133,884,631.50 = 52,965,619.56 : x - Step 2: Convert to fraction form
97,018,078.68/133,884,631.50 = 52,965,619.56/x - Step 3: Cross multiply
97,018,078.68x = 133,884,631.50 × 52,965,619.56 - Step 4: Simplify right side
97,018,078.68x = 7,091,282,456,959,792 - Step 5: Solve for x
x = 7,091,282,456,959,792/97,018,078.68 - Step 6: Final answer
x = 73,092,381.89
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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.