Finding the Fourth Proportional to 130,072,104,243.66, 195,107,369,417.58 and 70,757,724,705.42
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Solution
The fourth proportional to 130,072,104,243.66, 195,107,369,417.58 and 70,757,724,705.42 is: 106,136,158,967.54
Step by Step Solution
- Step 1: Write the proportion equation
130,072,104,243.66 : 195,107,369,417.58 = 70,757,724,705.42 : x - Step 2: Convert to fraction form
130,072,104,243.66/195,107,369,417.58 = 70,757,724,705.42/x - Step 3: Cross multiply
130,072,104,243.66x = 195,107,369,417.58 × 70,757,724,705.42 - Step 4: Simplify right side
130,072,104,243.66x = 13,805,353,533,247,806,504,960 - Step 5: Solve for x
x = 13,805,353,533,247,806,504,960/130,072,104,243.66 - Step 6: Final answer
x = 106,136,158,967.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.