Finding the Fourth Proportional to 129,035,873.80, 193,553,810.70 and 113,919,329.80
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Solution
The fourth proportional to 129,035,873.80, 193,553,810.70 and 113,919,329.80 is: 170,878,994.70
Step by Step Solution
- Step 1: Write the proportion equation
129,035,873.80 : 193,553,810.70 = 113,919,329.80 : x - Step 2: Convert to fraction form
129,035,873.80/193,553,810.70 = 113,919,329.80/x - Step 3: Cross multiply
129,035,873.80x = 193,553,810.70 × 113,919,329.80 - Step 4: Simplify right side
129,035,873.80x = 22,049,520,395,180,068 - Step 5: Solve for x
x = 22,049,520,395,180,068/129,035,873.80 - Step 6: Final answer
x = 170,878,994.70
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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.