Finding the Fourth Proportional to 194,633,689.63, 268,565,599.32 and 118,212,178.99
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Solution
The fourth proportional to 194,633,689.63, 268,565,599.32 and 118,212,178.99 is: 163,115,259.02
Step by Step Solution
- Step 1: Write the proportion equation
194,633,689.63 : 268,565,599.32 = 118,212,178.99 : x - Step 2: Convert to fraction form
194,633,689.63/268,565,599.32 = 118,212,178.99/x - Step 3: Cross multiply
194,633,689.63x = 268,565,599.32 × 118,212,178.99 - Step 4: Simplify right side
194,633,689.63x = 31,747,724,697,372,460 - Step 5: Solve for x
x = 31,747,724,697,372,460/194,633,689.63 - Step 6: Final answer
x = 163,115,259.02
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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.