Finding the Fourth Proportional to 49,143,801.60, 73,715,702.40 and 48,187,207.80
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Solution
The fourth proportional to 49,143,801.60, 73,715,702.40 and 48,187,207.80 is: 72,280,811.70
Step by Step Solution
- Step 1: Write the proportion equation
49,143,801.60 : 73,715,702.40 = 48,187,207.80 : x - Step 2: Convert to fraction form
49,143,801.60/73,715,702.40 = 48,187,207.80/x - Step 3: Cross multiply
49,143,801.60x = 73,715,702.40 × 48,187,207.80 - Step 4: Simplify right side
49,143,801.60x = 3,552,153,869,671,759 - Step 5: Solve for x
x = 3,552,153,869,671,759/49,143,801.60 - Step 6: Final answer
x = 72,280,811.70
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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.