Finding the Fourth Proportional to 70,769,240.67, 97,651,018.76 and 39,827,564.67
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Solution
The fourth proportional to 70,769,240.67, 97,651,018.76 and 39,827,564.67 is: 54,956,111.27
Step by Step Solution
- Step 1: Write the proportion equation
70,769,240.67 : 97,651,018.76 = 39,827,564.67 : x - Step 2: Convert to fraction form
70,769,240.67/97,651,018.76 = 39,827,564.67/x - Step 3: Cross multiply
70,769,240.67x = 97,651,018.76 × 39,827,564.67 - Step 4: Simplify right side
70,769,240.67x = 3,889,202,264,556,145.50 - Step 5: Solve for x
x = 3,889,202,264,556,145.50/70,769,240.67 - Step 6: Final answer
x = 54,956,111.27
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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.