Finding the Fourth Proportional to 97,843,439.82, 135,024,033.81 and 53,791,188.16
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Solution
The fourth proportional to 97,843,439.82, 135,024,033.81 and 53,791,188.16 is: 74,231,887.41
Step by Step Solution
- Step 1: Write the proportion equation
97,843,439.82 : 135,024,033.81 = 53,791,188.16 : x - Step 2: Convert to fraction form
97,843,439.82/135,024,033.81 = 53,791,188.16/x - Step 3: Cross multiply
97,843,439.82x = 135,024,033.81 × 53,791,188.16 - Step 4: Simplify right side
97,843,439.82x = 7,263,103,208,795,911 - Step 5: Solve for x
x = 7,263,103,208,795,911/97,843,439.82 - Step 6: Final answer
x = 74,231,887.41
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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.