Finding the Fourth Proportional to 143,834,449.72, 198,545,518.86 and 94,278,017
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Solution
The fourth proportional to 143,834,449.72, 198,545,518.86 and 94,278,017 is: 130,139,044.15
Step by Step Solution
- Step 1: Write the proportion equation
143,834,449.72 : 198,545,518.86 = 94,278,017 : x - Step 2: Convert to fraction form
143,834,449.72/198,545,518.86 = 94,278,017/x - Step 3: Cross multiply
143,834,449.72x = 198,545,518.86 × 94,278,017 - Step 4: Simplify right side
143,834,449.72x = 18,718,477,802,356,900 - Step 5: Solve for x
x = 18,718,477,802,356,900/143,834,449.72 - Step 6: Final answer
x = 130,139,044.15
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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.