Finding the Fourth Proportional to 216,386,288.18, 298,613,330.60 and 117,267,030.44
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Solution
The fourth proportional to 216,386,288.18, 298,613,330.60 and 117,267,030.44 is: 161,828,639.07
Step by Step Solution
- Step 1: Write the proportion equation
216,386,288.18 : 298,613,330.60 = 117,267,030.44 : x - Step 2: Convert to fraction form
216,386,288.18/298,613,330.60 = 117,267,030.44/x - Step 3: Cross multiply
216,386,288.18x = 298,613,330.60 × 117,267,030.44 - Step 4: Simplify right side
216,386,288.18x = 35,017,498,530,128,044 - Step 5: Solve for x
x = 35,017,498,530,128,044/216,386,288.18 - Step 6: Final answer
x = 161,828,639.07
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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.