Finding the Fourth Proportional to 277,281,860.58, 382,660,925.04 and 153,522,537.84
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Solution
The fourth proportional to 277,281,860.58, 382,660,925.04 and 153,522,537.84 is: 211,867,722.69
Step by Step Solution
- Step 1: Write the proportion equation
277,281,860.58 : 382,660,925.04 = 153,522,537.84 : x - Step 2: Convert to fraction form
277,281,860.58/382,660,925.04 = 153,522,537.84/x - Step 3: Cross multiply
277,281,860.58x = 382,660,925.04 × 153,522,537.84 - Step 4: Simplify right side
277,281,860.58x = 58,747,076,344,342,808 - Step 5: Solve for x
x = 58,747,076,344,342,808/277,281,860.58 - Step 6: Final answer
x = 211,867,722.69
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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.