Finding the Fourth Proportional to 146,450,119.36, 202,087,807.66 and 86,901,154.76
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Solution
The fourth proportional to 146,450,119.36, 202,087,807.66 and 86,901,154.76 is: 119,915,667.70
Step by Step Solution
- Step 1: Write the proportion equation
146,450,119.36 : 202,087,807.66 = 86,901,154.76 : x - Step 2: Convert to fraction form
146,450,119.36/202,087,807.66 = 86,901,154.76/x - Step 3: Cross multiply
146,450,119.36x = 202,087,807.66 × 86,901,154.76 - Step 4: Simplify right side
146,450,119.36x = 17,561,663,847,560,334 - Step 5: Solve for x
x = 17,561,663,847,560,334/146,450,119.36 - Step 6: Final answer
x = 119,915,667.70
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1.5x scale
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.