Finding the Fourth Proportional to 245,059,083.54, 367,697,176.11 and 128,446,726.05
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Solution
The fourth proportional to 245,059,083.54, 367,697,176.11 and 128,446,726.05 is: 192,726,985.54
Step by Step Solution
- Step 1: Write the proportion equation
245,059,083.54 : 367,697,176.11 = 128,446,726.05 : x - Step 2: Convert to fraction form
245,059,083.54/367,697,176.11 = 128,446,726.05/x - Step 3: Cross multiply
245,059,083.54x = 367,697,176.11 × 128,446,726.05 - Step 4: Simplify right side
245,059,083.54x = 47,229,498,449,159,776 - Step 5: Solve for x
x = 47,229,498,449,159,776/245,059,083.54 - Step 6: Final answer
x = 192,726,985.54
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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.