Finding the Fourth Proportional to 69,791,886.87, 96,313,516.59 and 38,432,851.99
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Solution
The fourth proportional to 69,791,886.87, 96,313,516.59 and 38,432,851.99 is: 53,037,728.22
Step by Step Solution
- Step 1: Write the proportion equation
69,791,886.87 : 96,313,516.59 = 38,432,851.99 : x - Step 2: Convert to fraction form
69,791,886.87/96,313,516.59 = 38,432,851.99/x - Step 3: Cross multiply
69,791,886.87x = 96,313,516.59 × 38,432,851.99 - Step 4: Simplify right side
69,791,886.87x = 3,701,603,127,643,218.50 - Step 5: Solve for x
x = 3,701,603,127,643,218.50/69,791,886.87 - Step 6: Final answer
x = 53,037,728.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.