Finding the Fourth Proportional to 172,898,984.08, 238,599,884.70 and 93,514,134.16
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Solution
The fourth proportional to 172,898,984.08, 238,599,884.70 and 93,514,134.16 is: 129,049,119.33
Step by Step Solution
- Step 1: Write the proportion equation
172,898,984.08 : 238,599,884.70 = 93,514,134.16 : x - Step 2: Convert to fraction form
172,898,984.08/238,599,884.70 = 93,514,134.16/x - Step 3: Cross multiply
172,898,984.08x = 238,599,884.70 × 93,514,134.16 - Step 4: Simplify right side
172,898,984.08x = 22,312,461,628,396,328 - Step 5: Solve for x
x = 22,312,461,628,396,328/172,898,984.08 - Step 6: Final answer
x = 129,049,119.33
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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.