Finding the Fourth Proportional to 117,423,842.40, 176,135,763.60 and 99,283,989.60
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Solution
The fourth proportional to 117,423,842.40, 176,135,763.60 and 99,283,989.60 is: 148,925,984.40
Step by Step Solution
- Step 1: Write the proportion equation
117,423,842.40 : 176,135,763.60 = 99,283,989.60 : x - Step 2: Convert to fraction form
117,423,842.40/176,135,763.60 = 99,283,989.60/x - Step 3: Cross multiply
117,423,842.40x = 176,135,763.60 × 99,283,989.60 - Step 4: Simplify right side
117,423,842.40x = 17,487,461,321,450,456 - Step 5: Solve for x
x = 17,487,461,321,450,456/117,423,842.40 - Step 6: Final answer
x = 148,925,984.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.