Finding the Fourth Proportional to 187,014,751.20, 258,079,603.68 and 104,508,514.08
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Solution
The fourth proportional to 187,014,751.20, 258,079,603.68 and 104,508,514.08 is: 144,221,328.65
Step by Step Solution
- Step 1: Write the proportion equation
187,014,751.20 : 258,079,603.68 = 104,508,514.08 : x - Step 2: Convert to fraction form
187,014,751.20/258,079,603.68 = 104,508,514.08/x - Step 3: Cross multiply
187,014,751.20x = 258,079,603.68 × 104,508,514.08 - Step 4: Simplify right side
187,014,751.20x = 26,971,515,894,952,100 - Step 5: Solve for x
x = 26,971,515,894,952,100/187,014,751.20 - Step 6: Final answer
x = 144,221,328.65
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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.