Finding the Fourth Proportional to 159,894,088.63, 220,655,363.45 and 93,815,711.14
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Solution
The fourth proportional to 159,894,088.63, 220,655,363.45 and 93,815,711.14 is: 129,466,573.88
Step by Step Solution
- Step 1: Write the proportion equation
159,894,088.63 : 220,655,363.45 = 93,815,711.14 : x - Step 2: Convert to fraction form
159,894,088.63/220,655,363.45 = 93,815,711.14/x - Step 3: Cross multiply
159,894,088.63x = 220,655,363.45 × 93,815,711.14 - Step 4: Simplify right side
159,894,088.63x = 20,700,939,838,916,912 - Step 5: Solve for x
x = 20,700,939,838,916,912/159,894,088.63 - Step 6: Final answer
x = 129,466,573.88
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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.