Finding the Fourth Proportional to 98,057,321.96, 135,314,738.28 and 56,211,387.08
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Solution
The fourth proportional to 98,057,321.96, 135,314,738.28 and 56,211,387.08 is: 77,569,211.35
Step by Step Solution
- Step 1: Write the proportion equation
98,057,321.96 : 135,314,738.28 = 56,211,387.08 : x - Step 2: Convert to fraction form
98,057,321.96/135,314,738.28 = 56,211,387.08/x - Step 3: Cross multiply
98,057,321.96x = 135,314,738.28 × 56,211,387.08 - Step 4: Simplify right side
98,057,321.96x = 7,606,229,131,085,973 - Step 5: Solve for x
x = 7,606,229,131,085,973/98,057,321.96 - Step 6: Final answer
x = 77,569,211.35
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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.