Finding the Fourth Proportional to 116,299,209.70, 160,493,970.81 and 64,090,118.62
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Solution
The fourth proportional to 116,299,209.70, 160,493,970.81 and 64,090,118.62 is: 88,444,948.62
Step by Step Solution
- Step 1: Write the proportion equation
116,299,209.70 : 160,493,970.81 = 64,090,118.62 : x - Step 2: Convert to fraction form
116,299,209.70/160,493,970.81 = 64,090,118.62/x - Step 3: Cross multiply
116,299,209.70x = 160,493,970.81 × 64,090,118.62 - Step 4: Simplify right side
116,299,209.70x = 10,286,077,627,007,718 - Step 5: Solve for x
x = 10,286,077,627,007,718/116,299,209.70 - Step 6: Final answer
x = 88,444,948.62
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1.5x scale
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.