Finding the Fourth Proportional to 129,931,715.08, 194,832,722.58 and 42,481,840.96
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Solution
The fourth proportional to 129,931,715.08, 194,832,722.58 and 42,481,840.96 is: 63,701,558.39
Step by Step Solution
- Step 1: Write the proportion equation
129,931,715.08 : 194,832,722.58 = 42,481,840.96 : x - Step 2: Convert to fraction form
129,931,715.08/194,832,722.58 = 42,481,840.96/x - Step 3: Cross multiply
129,931,715.08x = 194,832,722.58 × 42,481,840.96 - Step 4: Simplify right side
129,931,715.08x = 8,276,852,734,447,362 - Step 5: Solve for x
x = 8,276,852,734,447,362/129,931,715.08 - Step 6: Final answer
x = 63,701,558.39
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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.