Finding the Fourth Proportional to 75,038,825.90, 103,471,348.11 and 48,884,842.82
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Solution
The fourth proportional to 75,038,825.90, 103,471,348.11 and 48,884,842.82 is: 67,407,512.42
Step by Step Solution
- Step 1: Write the proportion equation
75,038,825.90 : 103,471,348.11 = 48,884,842.82 : x - Step 2: Convert to fraction form
75,038,825.90/103,471,348.11 = 48,884,842.82/x - Step 3: Cross multiply
75,038,825.90x = 103,471,348.11 × 48,884,842.82 - Step 4: Simplify right side
75,038,825.90x = 5,058,180,588,486,430 - Step 5: Solve for x
x = 5,058,180,588,486,430/75,038,825.90 - Step 6: Final answer
x = 67,407,512.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.