Finding the Fourth Proportional to 73,020,941.19, 100,768,922.64 and 39,983,284.08
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Solution
The fourth proportional to 73,020,941.19, 100,768,922.64 and 39,983,284.08 is: 55,176,945.06
Step by Step Solution
- Step 1: Write the proportion equation
73,020,941.19 : 100,768,922.64 = 39,983,284.08 : x - Step 2: Convert to fraction form
73,020,941.19/100,768,922.64 = 39,983,284.08/x - Step 3: Cross multiply
73,020,941.19x = 100,768,922.64 × 39,983,284.08 - Step 4: Simplify right side
73,020,941.19x = 4,029,072,460,350,663.50 - Step 5: Solve for x
x = 4,029,072,460,350,663.50/73,020,941.19 - Step 6: Final answer
x = 55,176,945.06
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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.