Finding the Fourth Proportional to 118,664,974.40, 177,963,178.08 and 53,932,712
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Solution
The fourth proportional to 118,664,974.40, 177,963,178.08 and 53,932,712 is: 80,883,486.29
Step by Step Solution
- Step 1: Write the proportion equation
118,664,974.40 : 177,963,178.08 = 53,932,712 : x - Step 2: Convert to fraction form
118,664,974.40/177,963,178.08 = 53,932,712/x - Step 3: Cross multiply
118,664,974.40x = 177,963,178.08 × 53,932,712 - Step 4: Simplify right side
118,664,974.40x = 9,598,036,829,993,354 - Step 5: Solve for x
x = 9,598,036,829,993,354/118,664,974.40 - Step 6: Final answer
x = 80,883,486.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.