Finding the Fourth Proportional to 97,844,723.48, 135,022,276.59 and 53,791,402.88
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Solution
The fourth proportional to 97,844,723.48, 135,022,276.59 and 53,791,402.88 is: 74,230,243.79
Step by Step Solution
- Step 1: Write the proportion equation
97,844,723.48 : 135,022,276.59 = 53,791,402.88 : x - Step 2: Convert to fraction form
97,844,723.48/135,022,276.59 = 53,791,402.88/x - Step 3: Cross multiply
97,844,723.48x = 135,022,276.59 × 53,791,402.88 - Step 4: Simplify right side
97,844,723.48x = 7,263,037,677,963,321 - Step 5: Solve for x
x = 7,263,037,677,963,321/97,844,723.48 - Step 6: Final answer
x = 74,230,243.79
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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.