Finding the Fourth Proportional to 116,338,516.68, 160,547,113.86 and 64,128,424.23
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Solution
The fourth proportional to 116,338,516.68, 160,547,113.86 and 64,128,424.23 is: 88,497,203.85
Step by Step Solution
- Step 1: Write the proportion equation
116,338,516.68 : 160,547,113.86 = 64,128,424.23 : x - Step 2: Convert to fraction form
116,338,516.68/160,547,113.86 = 64,128,424.23/x - Step 3: Cross multiply
116,338,516.68x = 160,547,113.86 × 64,128,424.23 - Step 4: Simplify right side
116,338,516.68x = 10,295,633,426,516,194 - Step 5: Solve for x
x = 10,295,633,426,516,194/116,338,516.68 - Step 6: Final answer
x = 88,497,203.85
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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.