Finding the Fourth Proportional to 98,319,327,533.84, 135,679,228,034.08 and 54,916,245,806.69
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Solution
The fourth proportional to 98,319,327,533.84, 135,679,228,034.08 and 54,916,245,806.69 is: 75,783,612,688.12
Step by Step Solution
- Step 1: Write the proportion equation
98,319,327,533.84 : 135,679,228,034.08 = 54,916,245,806.69 : x - Step 2: Convert to fraction form
98,319,327,533.84/135,679,228,034.08 = 54,916,245,806.69/x - Step 3: Cross multiply
98,319,327,533.84x = 135,679,228,034.08 × 54,916,245,806.69 - Step 4: Simplify right side
98,319,327,533.84x = 7,450,993,837,580,803,375,104 - Step 5: Solve for x
x = 7,450,993,837,580,803,375,104/98,319,327,533.84 - Step 6: Final answer
x = 75,783,612,688.12
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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.