Finding the Fourth Proportional to 88,580,680.84, 122,241,170.58 and 49,420,127.56
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Solution
The fourth proportional to 88,580,680.84, 122,241,170.58 and 49,420,127.56 is: 68,199,681.76
Step by Step Solution
- Step 1: Write the proportion equation
88,580,680.84 : 122,241,170.58 = 49,420,127.56 : x - Step 2: Convert to fraction form
88,580,680.84/122,241,170.58 = 49,420,127.56/x - Step 3: Cross multiply
88,580,680.84x = 122,241,170.58 × 49,420,127.56 - Step 4: Simplify right side
88,580,680.84x = 6,041,174,243,147,319 - Step 5: Solve for x
x = 6,041,174,243,147,319/88,580,680.84 - Step 6: Final answer
x = 68,199,681.76
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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.