Finding the Fourth Proportional to 134,865,151.20, 202,297,726.80 and 48,612,276.90
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Solution
The fourth proportional to 134,865,151.20, 202,297,726.80 and 48,612,276.90 is: 72,918,415.35
Step by Step Solution
- Step 1: Write the proportion equation
134,865,151.20 : 202,297,726.80 = 48,612,276.90 : x - Step 2: Convert to fraction form
134,865,151.20/202,297,726.80 = 48,612,276.90/x - Step 3: Cross multiply
134,865,151.20x = 202,297,726.80 × 48,612,276.90 - Step 4: Simplify right side
134,865,151.20x = 9,834,153,111,442,152 - Step 5: Solve for x
x = 9,834,153,111,442,152/134,865,151.20 - Step 6: Final answer
x = 72,918,415.35
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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.