Finding the Fourth Proportional to 163,555,132.74, 245,334,836.08 and 54,380,303.84
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Solution
The fourth proportional to 163,555,132.74, 245,334,836.08 and 54,380,303.84 is: 81,571,166.28
Step by Step Solution
- Step 1: Write the proportion equation
163,555,132.74 : 245,334,836.08 = 54,380,303.84 : x - Step 2: Convert to fraction form
163,555,132.74/245,334,836.08 = 54,380,303.84/x - Step 3: Cross multiply
163,555,132.74x = 245,334,836.08 × 54,380,303.84 - Step 4: Simplify right side
163,555,132.74x = 13,341,382,928,566,996 - Step 5: Solve for x
x = 13,341,382,928,566,996/163,555,132.74 - Step 6: Final answer
x = 81,571,166.28
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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.