Finding the Fourth Proportional to 102,420,010.16, 141,352,525.80 and 67,167,461.88
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Solution
The fourth proportional to 102,420,010.16, 141,352,525.80 and 67,167,461.88 is: 92,699,564.99
Step by Step Solution
- Step 1: Write the proportion equation
102,420,010.16 : 141,352,525.80 = 67,167,461.88 : x - Step 2: Convert to fraction form
102,420,010.16/141,352,525.80 = 67,167,461.88/x - Step 3: Cross multiply
102,420,010.16x = 141,352,525.80 × 67,167,461.88 - Step 4: Simplify right side
102,420,010.16x = 9,494,290,388,313,216 - Step 5: Solve for x
x = 9,494,290,388,313,216/102,420,010.16 - Step 6: Final answer
x = 92,699,564.99
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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.