Finding the Fourth Proportional to 88,127,555.36, 121,613,609.16 and 48,968,326.64
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Solution
The fourth proportional to 88,127,555.36, 121,613,609.16 and 48,968,326.64 is: 67,574,947.62
Step by Step Solution
- Step 1: Write the proportion equation
88,127,555.36 : 121,613,609.16 = 48,968,326.64 : x - Step 2: Convert to fraction form
88,127,555.36/121,613,609.16 = 48,968,326.64/x - Step 3: Cross multiply
88,127,555.36x = 121,613,609.16 × 48,968,326.64 - Step 4: Simplify right side
88,127,555.36x = 5,955,214,937,216,176 - Step 5: Solve for x
x = 5,955,214,937,216,176/88,127,555.36 - Step 6: Final answer
x = 67,574,947.62
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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.