Finding the Fourth Proportional to 77,092,303.41, 106,411,197.83 and 49,590,234.09
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Solution
The fourth proportional to 77,092,303.41, 106,411,197.83 and 49,590,234.09 is: 68,449,844.88
Step by Step Solution
- Step 1: Write the proportion equation
77,092,303.41 : 106,411,197.83 = 49,590,234.09 : x - Step 2: Convert to fraction form
77,092,303.41/106,411,197.83 = 49,590,234.09/x - Step 3: Cross multiply
77,092,303.41x = 106,411,197.83 × 49,590,234.09 - Step 4: Simplify right side
77,092,303.41x = 5,276,956,209,939,049 - Step 5: Solve for x
x = 5,276,956,209,939,049/77,092,303.41 - Step 6: Final answer
x = 68,449,844.88
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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.