Finding the Fourth Proportional to 268,388,453.40, 402,056,552.64 and 139,080,886.08
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Solution
The fourth proportional to 268,388,453.40, 402,056,552.64 and 139,080,886.08 is: 208,348,685.97
Step by Step Solution
- Step 1: Write the proportion equation
268,388,453.40 : 402,056,552.64 = 139,080,886.08 : x - Step 2: Convert to fraction form
268,388,453.40/402,056,552.64 = 139,080,886.08/x - Step 3: Cross multiply
268,388,453.40x = 402,056,552.64 × 139,080,886.08 - Step 4: Simplify right side
268,388,453.40x = 55,918,381,595,441,368 - Step 5: Solve for x
x = 55,918,381,595,441,368/268,388,453.40 - Step 6: Final answer
x = 208,348,685.97
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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.