Finding the Fourth Proportional to 143,514,669.97, 197,988,117.64 and 87,762,527.65
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Solution
The fourth proportional to 143,514,669.97, 197,988,117.64 and 87,762,527.65 is: 121,074,296.11
Step by Step Solution
- Step 1: Write the proportion equation
143,514,669.97 : 197,988,117.64 = 87,762,527.65 : x - Step 2: Convert to fraction form
143,514,669.97/197,988,117.64 = 87,762,527.65/x - Step 3: Cross multiply
143,514,669.97x = 197,988,117.64 × 87,762,527.65 - Step 4: Simplify right side
143,514,669.97x = 17,375,937,648,751,952 - Step 5: Solve for x
x = 17,375,937,648,751,952/143,514,669.97 - Step 6: Final answer
x = 121,074,296.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.