Finding the Fourth Proportional to 116,115,263.64, 160,235,841.06 and 65,888,631.36
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Solution
The fourth proportional to 116,115,263.64, 160,235,841.06 and 65,888,631.36 is: 90,924,482.55
Step by Step Solution
- Step 1: Write the proportion equation
116,115,263.64 : 160,235,841.06 = 65,888,631.36 : x - Step 2: Convert to fraction form
116,115,263.64/160,235,841.06 = 65,888,631.36/x - Step 3: Cross multiply
116,115,263.64x = 160,235,841.06 × 65,888,631.36 - Step 4: Simplify right side
116,115,263.64x = 10,557,720,262,261,892 - Step 5: Solve for x
x = 10,557,720,262,261,892/116,115,263.64 - Step 6: Final answer
x = 90,924,482.55
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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.