Finding the Fourth Proportional to 235,571,701.68, 353,518,961.28 and 82,217,758.08
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Solution
The fourth proportional to 235,571,701.68, 353,518,961.28 and 82,217,758.08 is: 123,382,970.99
Step by Step Solution
- Step 1: Write the proportion equation
235,571,701.68 : 353,518,961.28 = 82,217,758.08 : x - Step 2: Convert to fraction form
235,571,701.68/353,518,961.28 = 82,217,758.08/x - Step 3: Cross multiply
235,571,701.68x = 353,518,961.28 × 82,217,758.08 - Step 4: Simplify right side
235,571,701.68x = 29,065,536,435,211,924 - Step 5: Solve for x
x = 29,065,536,435,211,924/235,571,701.68 - Step 6: Final answer
x = 123,382,970.99
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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.