Finding the Fourth Proportional to 70,934,589.86, 97,889,775.98 and 39,572,638.97
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Solution
The fourth proportional to 70,934,589.86, 97,889,775.98 and 39,572,638.97 is: 54,610,265.19
Step by Step Solution
- Step 1: Write the proportion equation
70,934,589.86 : 97,889,775.98 = 39,572,638.97 : x - Step 2: Convert to fraction form
70,934,589.86/97,889,775.98 = 39,572,638.97/x - Step 3: Cross multiply
70,934,589.86x = 97,889,775.98 × 39,572,638.97 - Step 4: Simplify right side
70,934,589.86x = 3,873,756,763,757,578.50 - Step 5: Solve for x
x = 3,873,756,763,757,578.50/70,934,589.86 - Step 6: Final answer
x = 54,610,265.19
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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.