Finding the Fourth Proportional to 91,175,207.04, 136,817,279.22 and 83,757,356.84
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Solution
The fourth proportional to 91,175,207.04, 136,817,279.22 and 83,757,356.84 is: 125,686,072.45
Step by Step Solution
- Step 1: Write the proportion equation
91,175,207.04 : 136,817,279.22 = 83,757,356.84 : x - Step 2: Convert to fraction form
91,175,207.04/136,817,279.22 = 83,757,356.84/x - Step 3: Cross multiply
91,175,207.04x = 136,817,279.22 × 83,757,356.84 - Step 4: Simplify right side
91,175,207.04x = 11,459,453,677,507,458 - Step 5: Solve for x
x = 11,459,453,677,507,458/91,175,207.04 - Step 6: Final answer
x = 125,686,072.45
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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.