Finding the Fourth Proportional to 245,574,384.08, 338,890,571.28 and 135,563,735.12
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Solution
The fourth proportional to 245,574,384.08, 338,890,571.28 and 135,563,735.12 is: 187,076,806.94
Step by Step Solution
- Step 1: Write the proportion equation
245,574,384.08 : 338,890,571.28 = 135,563,735.12 : x - Step 2: Convert to fraction form
245,574,384.08/338,890,571.28 = 135,563,735.12/x - Step 3: Cross multiply
245,574,384.08x = 338,890,571.28 × 135,563,735.12 - Step 4: Simplify right side
245,574,384.08x = 45,941,271,639,667,400 - Step 5: Solve for x
x = 45,941,271,639,667,400/245,574,384.08 - Step 6: Final answer
x = 187,076,806.94
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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.