Finding the Fourth Proportional to 139,544,578.59, 209,322,646.62 and 41,176,281.88
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Solution
The fourth proportional to 139,544,578.59, 209,322,646.62 and 41,176,281.88 is: 61,766,127.99
Step by Step Solution
- Step 1: Write the proportion equation
139,544,578.59 : 209,322,646.62 = 41,176,281.88 : x - Step 2: Convert to fraction form
139,544,578.59/209,322,646.62 = 41,176,281.88/x - Step 3: Cross multiply
139,544,578.59x = 209,322,646.62 × 41,176,281.88 - Step 4: Simplify right side
139,544,578.59x = 8,619,128,301,092,750 - Step 5: Solve for x
x = 8,619,128,301,092,750/139,544,578.59 - Step 6: Final answer
x = 61,766,127.99
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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.