Finding the Fourth Proportional to 96,549,983.19, 133,237,974.69 and 71,880,491.97
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Solution
The fourth proportional to 96,549,983.19, 133,237,974.69 and 71,880,491.97 is: 99,194,332.86
Step by Step Solution
- Step 1: Write the proportion equation
96,549,983.19 : 133,237,974.69 = 71,880,491.97 : x - Step 2: Convert to fraction form
96,549,983.19/133,237,974.69 = 71,880,491.97/x - Step 3: Cross multiply
96,549,983.19x = 133,237,974.69 × 71,880,491.97 - Step 4: Simplify right side
96,549,983.19x = 9,577,211,169,803,608 - Step 5: Solve for x
x = 9,577,211,169,803,608/96,549,983.19 - Step 6: Final answer
x = 99,194,332.86
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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.