Finding the Fourth Proportional to 168,653,774.27, 232,737,836.85 and 93,302,885.99
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Solution
The fourth proportional to 168,653,774.27, 232,737,836.85 and 93,302,885.99 is: 128,755,564.18
Step by Step Solution
- Step 1: Write the proportion equation
168,653,774.27 : 232,737,836.85 = 93,302,885.99 : x - Step 2: Convert to fraction form
168,653,774.27/232,737,836.85 = 93,302,885.99/x - Step 3: Cross multiply
168,653,774.27x = 232,737,836.85 × 93,302,885.99 - Step 4: Simplify right side
168,653,774.27x = 21,715,111,856,011,080 - Step 5: Solve for x
x = 21,715,111,856,011,080/168,653,774.27 - Step 6: Final answer
x = 128,755,564.18
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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.