Finding the Fourth Proportional to 70,903,207.99, 97,846,233.63 and 39,541,291.03
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Solution
The fourth proportional to 70,903,207.99, 97,846,233.63 and 39,541,291.03 is: 54,566,873.77
Step by Step Solution
- Step 1: Write the proportion equation
70,903,207.99 : 97,846,233.63 = 39,541,291.03 : x - Step 2: Convert to fraction form
70,903,207.99/97,846,233.63 = 39,541,291.03/x - Step 3: Cross multiply
70,903,207.99x = 97,846,233.63 × 39,541,291.03 - Step 4: Simplify right side
70,903,207.99x = 3,868,966,400,153,203.50 - Step 5: Solve for x
x = 3,868,966,400,153,203.50/70,903,207.99 - Step 6: Final answer
x = 54,566,873.77
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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.