Finding the Fourth Proportional to 79,399,303.04, 109,558,186.80 and 49,626,440.12
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Solution
The fourth proportional to 79,399,303.04, 109,558,186.80 and 49,626,440.12 is: 68,476,454.94
Step by Step Solution
- Step 1: Write the proportion equation
79,399,303.04 : 109,558,186.80 = 49,626,440.12 : x - Step 2: Convert to fraction form
79,399,303.04/109,558,186.80 = 49,626,440.12/x - Step 3: Cross multiply
79,399,303.04x = 109,558,186.80 × 49,626,440.12 - Step 4: Simplify right side
79,399,303.04x = 5,436,982,796,885,974 - Step 5: Solve for x
x = 5,436,982,796,885,974/79,399,303.04 - Step 6: Final answer
x = 68,476,454.94
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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.