Finding the Fourth Proportional to 56,484,612.07, 77,944,486.84 and 31,700,012.21
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Solution
The fourth proportional to 56,484,612.07, 77,944,486.84 and 31,700,012.21 is: 43,743,616.07
Step by Step Solution
- Step 1: Write the proportion equation
56,484,612.07 : 77,944,486.84 = 31,700,012.21 : x - Step 2: Convert to fraction form
56,484,612.07/77,944,486.84 = 31,700,012.21/x - Step 3: Cross multiply
56,484,612.07x = 77,944,486.84 × 31,700,012.21 - Step 4: Simplify right side
56,484,612.07x = 2,470,841,184,061,212 - Step 5: Solve for x
x = 2,470,841,184,061,212/56,484,612.07 - Step 6: Final answer
x = 43,743,616.07
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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.