Finding the Fourth Proportional to 97,485,990.08, 134,545,105.27 and 61,725,754.71
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Solution
The fourth proportional to 97,485,990.08, 134,545,105.27 and 61,725,754.71 is: 85,190,683.90
Step by Step Solution
- Step 1: Write the proportion equation
97,485,990.08 : 134,545,105.27 = 61,725,754.71 : x - Step 2: Convert to fraction form
97,485,990.08/134,545,105.27 = 61,725,754.71/x - Step 3: Cross multiply
97,485,990.08x = 134,545,105.27 × 61,725,754.71 - Step 4: Simplify right side
97,485,990.08x = 8,304,898,165,327,149 - Step 5: Solve for x
x = 8,304,898,165,327,149/97,485,990.08 - Step 6: Final answer
x = 85,190,683.90
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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.