Finding the Fourth Proportional to 68,345,129.18, 94,316,528.21 and 36,983,178.45
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Solution
The fourth proportional to 68,345,129.18, 94,316,528.21 and 36,983,178.45 is: 51,036,921.52
Step by Step Solution
- Step 1: Write the proportion equation
68,345,129.18 : 94,316,528.21 = 36,983,178.45 : x - Step 2: Convert to fraction form
68,345,129.18/94,316,528.21 = 36,983,178.45/x - Step 3: Cross multiply
68,345,129.18x = 94,316,528.21 × 36,983,178.45 - Step 4: Simplify right side
68,345,129.18x = 3,488,124,994,117,098 - Step 5: Solve for x
x = 3,488,124,994,117,098/68,345,129.18 - Step 6: Final answer
x = 51,036,921.52
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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.