Finding the Fourth Proportional to 97,127,218.35, 145,690,827.53 and 48,754,277.55
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Solution
The fourth proportional to 97,127,218.35, 145,690,827.53 and 48,754,277.55 is: 73,131,416.33
Step by Step Solution
- Step 1: Write the proportion equation
97,127,218.35 : 145,690,827.53 = 48,754,277.55 : x - Step 2: Convert to fraction form
97,127,218.35/145,690,827.53 = 48,754,277.55/x - Step 3: Cross multiply
97,127,218.35x = 145,690,827.53 × 48,754,277.55 - Step 4: Simplify right side
97,127,218.35x = 7,103,051,041,643,029 - Step 5: Solve for x
x = 7,103,051,041,643,029/97,127,218.35 - Step 6: Final answer
x = 73,131,416.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.