Finding the Fourth Proportional to 70,586,733.51, 97,412,620.73 and 39,224,665.35
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Solution
The fourth proportional to 70,586,733.51, 97,412,620.73 and 39,224,665.35 is: 54,131,665.52
Step by Step Solution
- Step 1: Write the proportion equation
70,586,733.51 : 97,412,620.73 = 39,224,665.35 : x - Step 2: Convert to fraction form
70,586,733.51/97,412,620.73 = 39,224,665.35/x - Step 3: Cross multiply
70,586,733.51x = 97,412,620.73 × 39,224,665.35 - Step 4: Simplify right side
70,586,733.51x = 3,820,977,448,804,599.50 - Step 5: Solve for x
x = 3,820,977,448,804,599.50/70,586,733.51 - Step 6: Final answer
x = 54,131,665.52
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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.