Finding the Fourth Proportional to 139,809,459.75, 209,653,406.47 and 40,077,137.09
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Solution
The fourth proportional to 139,809,459.75, 209,653,406.47 and 40,077,137.09 is: 60,098,281.82
Step by Step Solution
- Step 1: Write the proportion equation
139,809,459.75 : 209,653,406.47 = 40,077,137.09 : x - Step 2: Convert to fraction form
139,809,459.75/209,653,406.47 = 40,077,137.09/x - Step 3: Cross multiply
139,809,459.75x = 209,653,406.47 × 40,077,137.09 - Step 4: Simplify right side
139,809,459.75x = 8,402,308,313,057,913 - Step 5: Solve for x
x = 8,402,308,313,057,913/139,809,459.75 - Step 6: Final answer
x = 60,098,281.82
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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.