Finding the Fourth Proportional to 105,914,248.28, 146,201,310.87 and 79,528,823.68
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Solution
The fourth proportional to 105,914,248.28, 146,201,310.87 and 79,528,823.68 is: 109,779,547.72
Step by Step Solution
- Step 1: Write the proportion equation
105,914,248.28 : 146,201,310.87 = 79,528,823.68 : x - Step 2: Convert to fraction form
105,914,248.28/146,201,310.87 = 79,528,823.68/x - Step 3: Cross multiply
105,914,248.28x = 146,201,310.87 × 79,528,823.68 - Step 4: Simplify right side
105,914,248.28x = 11,627,218,273,234,090 - Step 5: Solve for x
x = 11,627,218,273,234,090/105,914,248.28 - Step 6: Final answer
x = 109,779,547.72
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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.