Finding the Fourth Proportional to 245,283,753.76, 368,023,783.26 and 99,728,503.36
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Solution
The fourth proportional to 245,283,753.76, 368,023,783.26 and 99,728,503.36 is: 149,632,662.35
Step by Step Solution
- Step 1: Write the proportion equation
245,283,753.76 : 368,023,783.26 = 99,728,503.36 : x - Step 2: Convert to fraction form
245,283,753.76/368,023,783.26 = 99,728,503.36/x - Step 3: Cross multiply
245,283,753.76x = 368,023,783.26 × 99,728,503.36 - Step 4: Simplify right side
245,283,753.76x = 36,702,461,105,404,824 - Step 5: Solve for x
x = 36,702,461,105,404,824/245,283,753.76 - Step 6: Final answer
x = 149,632,662.35
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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.