Finding the Fourth Proportional to 92,506,251.09, 138,767,938.73 and 30,257,918.85
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Solution
The fourth proportional to 92,506,251.09, 138,767,938.73 and 30,257,918.85 is: 45,389,678.85
Step by Step Solution
- Step 1: Write the proportion equation
92,506,251.09 : 138,767,938.73 = 30,257,918.85 : x - Step 2: Convert to fraction form
92,506,251.09/138,767,938.73 = 30,257,918.85/x - Step 3: Cross multiply
92,506,251.09x = 138,767,938.73 × 30,257,918.85 - Step 4: Simplify right side
92,506,251.09x = 4,198,829,028,922,822.50 - Step 5: Solve for x
x = 4,198,829,028,922,822.50/92,506,251.09 - Step 6: Final answer
x = 45,389,678.85
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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.