Finding the Fourth Proportional to 98,365,623.02, 135,745,216.04 and 53,711,905.19
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Solution
The fourth proportional to 98,365,623.02, 135,745,216.04 and 53,711,905.19 is: 74,122,787.50
Step by Step Solution
- Step 1: Write the proportion equation
98,365,623.02 : 135,745,216.04 = 53,711,905.19 : x - Step 2: Convert to fraction form
98,365,623.02/135,745,216.04 = 53,711,905.19/x - Step 3: Cross multiply
98,365,623.02x = 135,745,216.04 × 53,711,905.19 - Step 4: Simplify right side
98,365,623.02x = 7,291,134,172,989,262 - Step 5: Solve for x
x = 7,291,134,172,989,262/98,365,623.02 - Step 6: Final answer
x = 74,122,787.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.