Finding the Fourth Proportional to 81,352,358.10, 122,029,530.41 and 23,845,792.10
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Solution
The fourth proportional to 81,352,358.10, 122,029,530.41 and 23,845,792.10 is: 35,768,979.29
Step by Step Solution
- Step 1: Write the proportion equation
81,352,358.10 : 122,029,530.41 = 23,845,792.10 : x - Step 2: Convert to fraction form
81,352,358.10/122,029,530.41 = 23,845,792.10/x - Step 3: Cross multiply
81,352,358.10x = 122,029,530.41 × 23,845,792.10 - Step 4: Simplify right side
81,352,358.10x = 2,909,890,811,666,954.50 - Step 5: Solve for x
x = 2,909,890,811,666,954.50/81,352,358.10 - Step 6: Final answer
x = 35,768,979.29
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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.