Finding the Fourth Proportional to 70,491,135.90, 97,279,444.89 and 39,553,593.36
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Solution
The fourth proportional to 70,491,135.90, 97,279,444.89 and 39,553,593.36 is: 54,584,900.02
Step by Step Solution
- Step 1: Write the proportion equation
70,491,135.90 : 97,279,444.89 = 39,553,593.36 : x - Step 2: Convert to fraction form
70,491,135.90/97,279,444.89 = 39,553,593.36/x - Step 3: Cross multiply
70,491,135.90x = 97,279,444.89 × 39,553,593.36 - Step 4: Simplify right side
70,491,135.90x = 3,847,751,605,465,590 - Step 5: Solve for x
x = 3,847,751,605,465,590/70,491,135.90 - Step 6: Final answer
x = 54,584,900.02
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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.