Finding the Fourth Proportional to 243,832,202.15, 336,489,319.91 and 132,323,018.74
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Solution
The fourth proportional to 243,832,202.15, 336,489,319.91 and 132,323,018.74 is: 182,606,243.93
Step by Step Solution
- Step 1: Write the proportion equation
243,832,202.15 : 336,489,319.91 = 132,323,018.74 : x - Step 2: Convert to fraction form
243,832,202.15/336,489,319.91 = 132,323,018.74/x - Step 3: Cross multiply
243,832,202.15x = 336,489,319.91 × 132,323,018.74 - Step 4: Simplify right side
243,832,202.15x = 44,525,282,583,750,368 - Step 5: Solve for x
x = 44,525,282,583,750,368/243,832,202.15 - Step 6: Final answer
x = 182,606,243.93
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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.