Finding the Fourth Proportional to 84,899,714.15, 117,160,901.22 and 47,730,160.10
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Solution
The fourth proportional to 84,899,714.15, 117,160,901.22 and 47,730,160.10 is: 65,867,224.99
Step by Step Solution
- Step 1: Write the proportion equation
84,899,714.15 : 117,160,901.22 = 47,730,160.10 : x - Step 2: Convert to fraction form
84,899,714.15/117,160,901.22 = 47,730,160.10/x - Step 3: Cross multiply
84,899,714.15x = 117,160,901.22 × 47,730,160.10 - Step 4: Simplify right side
84,899,714.15x = 5,592,108,572,983,787 - Step 5: Solve for x
x = 5,592,108,572,983,787/84,899,714.15 - Step 6: Final answer
x = 65,867,224.99
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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.