Finding the Fourth Proportional to 134,828,351.20, 202,242,526.80 and 131,049,215.20
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Solution
The fourth proportional to 134,828,351.20, 202,242,526.80 and 131,049,215.20 is: 196,573,822.80
Step by Step Solution
- Step 1: Write the proportion equation
134,828,351.20 : 202,242,526.80 = 131,049,215.20 : x - Step 2: Convert to fraction form
134,828,351.20/202,242,526.80 = 131,049,215.20/x - Step 3: Cross multiply
134,828,351.20x = 202,242,526.80 × 131,049,215.20 - Step 4: Simplify right side
134,828,351.20x = 26,503,724,417,204,968 - Step 5: Solve for x
x = 26,503,724,417,204,968/134,828,351.20 - Step 6: Final answer
x = 196,573,822.80
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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.