Finding the Fourth Proportional to 294,247,995.12, 406,094,126.24 and 162,102,533.20
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Solution
The fourth proportional to 294,247,995.12, 406,094,126.24 and 162,102,533.20 is: 223,719,065.80
Step by Step Solution
- Step 1: Write the proportion equation
294,247,995.12 : 406,094,126.24 = 162,102,533.20 : x - Step 2: Convert to fraction form
294,247,995.12/406,094,126.24 = 162,102,533.20/x - Step 3: Cross multiply
294,247,995.12x = 406,094,126.24 × 162,102,533.20 - Step 4: Simplify right side
294,247,995.12x = 65,828,886,581,144,584 - Step 5: Solve for x
x = 65,828,886,581,144,584/294,247,995.12 - Step 6: Final answer
x = 223,719,065.80
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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.