Finding the Fourth Proportional to 224,385,261.52, 309,734,292.36 and 135,081,358.06
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Solution
The fourth proportional to 224,385,261.52, 309,734,292.36 and 135,081,358.06 is: 186,462,018.79
Step by Step Solution
- Step 1: Write the proportion equation
224,385,261.52 : 309,734,292.36 = 135,081,358.06 : x - Step 2: Convert to fraction form
224,385,261.52/309,734,292.36 = 135,081,358.06/x - Step 3: Cross multiply
224,385,261.52x = 309,734,292.36 × 135,081,358.06 - Step 4: Simplify right side
224,385,261.52x = 41,839,328,849,741,888 - Step 5: Solve for x
x = 41,839,328,849,741,888/224,385,261.52 - Step 6: Final answer
x = 186,462,018.79
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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.