Finding the Fourth Proportional to 130,124,664,133.20, 195,186,996,199.80 and 130,124,664,133.20
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Solution
The fourth proportional to 130,124,664,133.20, 195,186,996,199.80 and 130,124,664,133.20 is: 195,186,996,199.80
Step by Step Solution
- Step 1: Write the proportion equation
130,124,664,133.20 : 195,186,996,199.80 = 130,124,664,133.20 : x - Step 2: Convert to fraction form
130,124,664,133.20/195,186,996,199.80 = 130,124,664,133.20/x - Step 3: Cross multiply
130,124,664,133.20x = 195,186,996,199.80 × 130,124,664,133.20 - Step 4: Simplify right side
130,124,664,133.20x = 25,398,642,323,667,155,943,424 - Step 5: Solve for x
x = 25,398,642,323,667,155,943,424/130,124,664,133.20 - Step 6: Final answer
x = 195,186,996,199.80
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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.