Finding the Fourth Proportional to 96,971,421.94, 133,823,404.71 and 52,921,253.07
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Solution
The fourth proportional to 96,971,421.94, 133,823,404.71 and 52,921,253.07 is: 73,032,880.47
Step by Step Solution
- Step 1: Write the proportion equation
96,971,421.94 : 133,823,404.71 = 52,921,253.07 : x - Step 2: Convert to fraction form
96,971,421.94/133,823,404.71 = 52,921,253.07/x - Step 3: Cross multiply
96,971,421.94x = 133,823,404.71 × 52,921,253.07 - Step 4: Simplify right side
96,971,421.94x = 7,082,102,267,346,940 - Step 5: Solve for x
x = 7,082,102,267,346,940/96,971,421.94 - Step 6: Final answer
x = 73,032,880.47
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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.