Finding the Fourth Proportional to 70,934,423.49, 97,889,546.52 and 39,572,472.34
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Solution
The fourth proportional to 70,934,423.49, 97,889,546.52 and 39,572,472.34 is: 54,610,035.32
Step by Step Solution
- Step 1: Write the proportion equation
70,934,423.49 : 97,889,546.52 = 39,572,472.34 : x - Step 2: Convert to fraction form
70,934,423.49/97,889,546.52 = 39,572,472.34/x - Step 3: Cross multiply
70,934,423.49x = 97,889,546.52 × 39,572,472.34 - Step 4: Simplify right side
70,934,423.49x = 3,873,731,372,160,205.50 - Step 5: Solve for x
x = 3,873,731,372,160,205.50/70,934,423.49 - Step 6: Final answer
x = 54,610,035.32
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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.