Finding the Fourth Proportional to 71,879,652.10, 107,781,116.79 and 37,301,237.49
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Solution
The fourth proportional to 71,879,652.10, 107,781,116.79 and 37,301,237.49 is: 55,931,948.99
Step by Step Solution
- Step 1: Write the proportion equation
71,879,652.10 : 107,781,116.79 = 37,301,237.49 : x - Step 2: Convert to fraction form
71,879,652.10/107,781,116.79 = 37,301,237.49/x - Step 3: Cross multiply
71,879,652.10x = 107,781,116.79 × 37,301,237.49 - Step 4: Simplify right side
71,879,652.10x = 4,020,369,034,321,217 - Step 5: Solve for x
x = 4,020,369,034,321,217/71,879,652.10 - Step 6: Final answer
x = 55,931,948.99
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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.