Finding the Fourth Proportional to 165,980,517.70, 248,802,814.95 and 97,788,108.10
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Solution
The fourth proportional to 165,980,517.70, 248,802,814.95 and 97,788,108.10 is: 146,583,206.88
Step by Step Solution
- Step 1: Write the proportion equation
165,980,517.70 : 248,802,814.95 = 97,788,108.10 : x - Step 2: Convert to fraction form
165,980,517.70/248,802,814.95 = 97,788,108.10/x - Step 3: Cross multiply
165,980,517.70x = 248,802,814.95 × 97,788,108.10 - Step 4: Simplify right side
165,980,517.70x = 24,329,956,563,914,892 - Step 5: Solve for x
x = 24,329,956,563,914,892/165,980,517.70 - Step 6: Final answer
x = 146,583,206.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.