Finding the Fourth Proportional to 165,980,415.70, 248,802,661.95 and 97,788,006.10
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Solution
The fourth proportional to 165,980,415.70, 248,802,661.95 and 97,788,006.10 is: 146,583,053.92
Step by Step Solution
- Step 1: Write the proportion equation
165,980,415.70 : 248,802,661.95 = 97,788,006.10 : x - Step 2: Convert to fraction form
165,980,415.70/248,802,661.95 = 97,788,006.10/x - Step 3: Cross multiply
165,980,415.70x = 248,802,661.95 × 97,788,006.10 - Step 4: Simplify right side
165,980,415.70x = 24,329,916,224,462,836 - Step 5: Solve for x
x = 24,329,916,224,462,836/165,980,415.70 - Step 6: Final answer
x = 146,583,053.92
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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.