Finding the Fourth Proportional to 81,495,294.21, 122,246,726.20 and 26,165,387.03
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Solution
The fourth proportional to 81,495,294.21, 122,246,726.20 and 26,165,387.03 is: 39,249,295.75
Step by Step Solution
- Step 1: Write the proportion equation
81,495,294.21 : 122,246,726.20 = 26,165,387.03 : x - Step 2: Convert to fraction form
81,495,294.21/122,246,726.20 = 26,165,387.03/x - Step 3: Cross multiply
81,495,294.21x = 122,246,726.20 × 26,165,387.03 - Step 4: Simplify right side
81,495,294.21x = 3,198,632,904,173,441.50 - Step 5: Solve for x
x = 3,198,632,904,173,441.50/81,495,294.21 - Step 6: Final answer
x = 39,249,295.75
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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.