Finding the Fourth Proportional to 74,860,489.63, 112,190,360.80 and 58,262,138.99
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Solution
The fourth proportional to 74,860,489.63, 112,190,360.80 and 58,262,138.99 is: 87,315,090.06
Step by Step Solution
- Step 1: Write the proportion equation
74,860,489.63 : 112,190,360.80 = 58,262,138.99 : x - Step 2: Convert to fraction form
74,860,489.63/112,190,360.80 = 58,262,138.99/x - Step 3: Cross multiply
74,860,489.63x = 112,190,360.80 × 58,262,138.99 - Step 4: Simplify right side
74,860,489.63x = 6,536,450,394,267,848 - Step 5: Solve for x
x = 6,536,450,394,267,848/74,860,489.63 - Step 6: Final answer
x = 87,315,090.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.