Finding the Fourth Proportional to 96,646,995.60, 133,372,875.60 and 53,186,931.60
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Solution
The fourth proportional to 96,646,995.60, 133,372,875.60 and 53,186,931.60 is: 73,397,977.53
Step by Step Solution
- Step 1: Write the proportion equation
96,646,995.60 : 133,372,875.60 = 53,186,931.60 : x - Step 2: Convert to fraction form
96,646,995.60/133,372,875.60 = 53,186,931.60/x - Step 3: Cross multiply
96,646,995.60x = 133,372,875.60 × 53,186,931.60 - Step 4: Simplify right side
96,646,995.60x = 7,093,694,011,832,509 - Step 5: Solve for x
x = 7,093,694,011,832,509/96,646,995.60 - Step 6: Final answer
x = 73,397,977.53
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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.