Finding the Fourth Proportional to 178,876,589.60, 268,283,754.80 and 57,708,041.76
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Solution
The fourth proportional to 178,876,589.60, 268,283,754.80 and 57,708,041.76 is: 86,552,019.80
Step by Step Solution
- Step 1: Write the proportion equation
178,876,589.60 : 268,283,754.80 = 57,708,041.76 : x - Step 2: Convert to fraction form
178,876,589.60/268,283,754.80 = 57,708,041.76/x - Step 3: Cross multiply
178,876,589.60x = 268,283,754.80 × 57,708,041.76 - Step 4: Simplify right side
178,876,589.60x = 15,482,130,125,528,000 - Step 5: Solve for x
x = 15,482,130,125,528,000/178,876,589.60 - Step 6: Final answer
x = 86,552,019.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.