Finding the Fourth Proportional to 236,207,989.65, 354,365,128.58 and 139,113,718.95
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Solution
The fourth proportional to 236,207,989.65, 354,365,128.58 and 139,113,718.95 is: 208,701,877.42
Step by Step Solution
- Step 1: Write the proportion equation
236,207,989.65 : 354,365,128.58 = 139,113,718.95 : x - Step 2: Convert to fraction form
236,207,989.65/354,365,128.58 = 139,113,718.95/x - Step 3: Cross multiply
236,207,989.65x = 354,365,128.58 × 139,113,718.95 - Step 4: Simplify right side
236,207,989.65x = 49,297,050,902,263,160 - Step 5: Solve for x
x = 49,297,050,902,263,160/236,207,989.65 - Step 6: Final answer
x = 208,701,877.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.