Finding the Fourth Proportional to 176,768,902.16, 243,948,687.57 and 98,452,490.48
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Solution
The fourth proportional to 176,768,902.16, 243,948,687.57 and 98,452,490.48 is: 135,868,671.17
Step by Step Solution
- Step 1: Write the proportion equation
176,768,902.16 : 243,948,687.57 = 98,452,490.48 : x - Step 2: Convert to fraction form
176,768,902.16/243,948,687.57 = 98,452,490.48/x - Step 3: Cross multiply
176,768,902.16x = 243,948,687.57 × 98,452,490.48 - Step 4: Simplify right side
176,768,902.16x = 24,017,355,839,374,172 - Step 5: Solve for x
x = 24,017,355,839,374,172/176,768,902.16 - Step 6: Final answer
x = 135,868,671.17
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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.