Finding the Fourth Proportional to 74,860,490.63, 112,190,362.30 and 58,262,139.99
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Solution
The fourth proportional to 74,860,490.63, 112,190,362.30 and 58,262,139.99 is: 87,315,091.56
Step by Step Solution
- Step 1: Write the proportion equation
74,860,490.63 : 112,190,362.30 = 58,262,139.99 : x - Step 2: Convert to fraction form
74,860,490.63/112,190,362.30 = 58,262,139.99/x - Step 3: Cross multiply
74,860,490.63x = 112,190,362.30 × 58,262,139.99 - Step 4: Simplify right side
74,860,490.63x = 6,536,450,593,851,418 - Step 5: Solve for x
x = 6,536,450,593,851,418/74,860,490.63 - Step 6: Final answer
x = 87,315,091.56
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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.