Finding the Fourth Proportional to 187,118,958.80, 258,213,721.26 and 102,329,345.61
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Solution
The fourth proportional to 187,118,958.80, 258,213,721.26 and 102,329,345.61 is: 141,208,786.61
Step by Step Solution
- Step 1: Write the proportion equation
187,118,958.80 : 258,213,721.26 = 102,329,345.61 : x - Step 2: Convert to fraction form
187,118,958.80/258,213,721.26 = 102,329,345.61/x - Step 3: Cross multiply
187,118,958.80x = 258,213,721.26 × 102,329,345.61 - Step 4: Simplify right side
187,118,958.80x = 26,422,841,124,442,480 - Step 5: Solve for x
x = 26,422,841,124,442,480/187,118,958.80 - Step 6: Final answer
x = 141,208,786.61
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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.