Finding the Fourth Proportional to 176,138,617.70, 243,071,860.41 and 97,822,171.19
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Solution
The fourth proportional to 176,138,617.70, 243,071,860.41 and 97,822,171.19 is: 134,994,911.68
Step by Step Solution
- Step 1: Write the proportion equation
176,138,617.70 : 243,071,860.41 = 97,822,171.19 : x - Step 2: Convert to fraction form
176,138,617.70/243,071,860.41 = 97,822,171.19/x - Step 3: Cross multiply
176,138,617.70x = 243,071,860.41 × 97,822,171.19 - Step 4: Simplify right side
176,138,617.70x = 23,777,817,140,009,692 - Step 5: Solve for x
x = 23,777,817,140,009,692/176,138,617.70 - Step 6: Final answer
x = 134,994,911.68
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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.