Finding the Fourth Proportional to 116,338,511.52, 160,547,106.74 and 64,128,419.08
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Solution
The fourth proportional to 116,338,511.52, 160,547,106.74 and 64,128,419.08 is: 88,497,196.74
Step by Step Solution
- Step 1: Write the proportion equation
116,338,511.52 : 160,547,106.74 = 64,128,419.08 : x - Step 2: Convert to fraction form
116,338,511.52/160,547,106.74 = 64,128,419.08/x - Step 3: Cross multiply
116,338,511.52x = 160,547,106.74 × 64,128,419.08 - Step 4: Simplify right side
116,338,511.52x = 10,295,632,142,382,204 - Step 5: Solve for x
x = 10,295,632,142,382,204/116,338,511.52 - Step 6: Final answer
x = 88,497,196.74
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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.