Finding the Fourth Proportional to 187,919,392.26, 259,334,658.62 and 108,532,978.99
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Solution
The fourth proportional to 187,919,392.26, 259,334,658.62 and 108,532,978.99 is: 149,778,916.99
Step by Step Solution
- Step 1: Write the proportion equation
187,919,392.26 : 259,334,658.62 = 108,532,978.99 : x - Step 2: Convert to fraction form
187,919,392.26/259,334,658.62 = 108,532,978.99/x - Step 3: Cross multiply
187,919,392.26x = 259,334,658.62 × 108,532,978.99 - Step 4: Simplify right side
187,919,392.26x = 28,146,363,054,600,364 - Step 5: Solve for x
x = 28,146,363,054,600,364/187,919,392.26 - Step 6: Final answer
x = 149,778,916.99
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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.