Finding the Fourth Proportional to 74,738,113.83, 103,119,146.33 and 43,781,675.58
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Solution
The fourth proportional to 74,738,113.83, 103,119,146.33 and 43,781,675.58 is: 60,407,318.02
Step by Step Solution
- Step 1: Write the proportion equation
74,738,113.83 : 103,119,146.33 = 43,781,675.58 : x - Step 2: Convert to fraction form
74,738,113.83/103,119,146.33 = 43,781,675.58/x - Step 3: Cross multiply
74,738,113.83x = 103,119,146.33 × 43,781,675.58 - Step 4: Simplify right side
74,738,113.83x = 4,514,729,010,487,699 - Step 5: Solve for x
x = 4,514,729,010,487,699/74,738,113.83 - Step 6: Final answer
x = 60,407,318.02
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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.