Finding the Fourth Proportional to 139,961,374.20, 209,918,137.68 and 37,701,496.80
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Solution
The fourth proportional to 139,961,374.20, 209,918,137.68 and 37,701,496.80 is: 56,545,800.88
Step by Step Solution
- Step 1: Write the proportion equation
139,961,374.20 : 209,918,137.68 = 37,701,496.80 : x - Step 2: Convert to fraction form
139,961,374.20/209,918,137.68 = 37,701,496.80/x - Step 3: Cross multiply
139,961,374.20x = 209,918,137.68 × 37,701,496.80 - Step 4: Simplify right side
139,961,374.20x = 7,914,227,996,004,479 - Step 5: Solve for x
x = 7,914,227,996,004,479/139,961,374.20 - Step 6: Final answer
x = 56,545,800.88
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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.