Finding the Fourth Proportional to 97,217,953.98, 134,158,122.28 and 53,756,403.90
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Solution
The fourth proportional to 97,217,953.98, 134,158,122.28 and 53,756,403.90 is: 74,182,369.74
Step by Step Solution
- Step 1: Write the proportion equation
97,217,953.98 : 134,158,122.28 = 53,756,403.90 : x - Step 2: Convert to fraction form
97,217,953.98/134,158,122.28 = 53,756,403.90/x - Step 3: Cross multiply
97,217,953.98x = 134,158,122.28 × 53,756,403.90 - Step 4: Simplify right side
97,217,953.98x = 7,211,858,207,749,269 - Step 5: Solve for x
x = 7,211,858,207,749,269/97,217,953.98 - Step 6: Final answer
x = 74,182,369.74
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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.