Finding the Fourth Proportional to 122,925,382.10, 169,634,978.28 and 67,169,577.63
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Solution
The fourth proportional to 122,925,382.10, 169,634,978.28 and 67,169,577.63 is: 92,692,897.50
Step by Step Solution
- Step 1: Write the proportion equation
122,925,382.10 : 169,634,978.28 = 67,169,577.63 : x - Step 2: Convert to fraction form
122,925,382.10/169,634,978.28 = 67,169,577.63/x - Step 3: Cross multiply
122,925,382.10x = 169,634,978.28 × 67,169,577.63 - Step 4: Simplify right side
122,925,382.10x = 11,394,309,842,341,824 - Step 5: Solve for x
x = 11,394,309,842,341,824/122,925,382.10 - Step 6: Final answer
x = 92,692,897.50
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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.