Finding the Fourth Proportional to 121,443,752.86, 167,577,976.58 and 68,517,374.99
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Solution
The fourth proportional to 121,443,752.86, 167,577,976.58 and 68,517,374.99 is: 94,545,851.80
Step by Step Solution
- Step 1: Write the proportion equation
121,443,752.86 : 167,577,976.58 = 68,517,374.99 : x - Step 2: Convert to fraction form
121,443,752.86/167,577,976.58 = 68,517,374.99/x - Step 3: Cross multiply
121,443,752.86x = 167,577,976.58 × 68,517,374.99 - Step 4: Simplify right side
121,443,752.86x = 11,482,003,060,216,820 - Step 5: Solve for x
x = 11,482,003,060,216,820/121,443,752.86 - Step 6: Final answer
x = 94,545,851.80
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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.