Finding the Fourth Proportional to 149,493,643.80, 224,240,465.70 and 68,714,611.80
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Solution
The fourth proportional to 149,493,643.80, 224,240,465.70 and 68,714,611.80 is: 103,071,917.70
Step by Step Solution
- Step 1: Write the proportion equation
149,493,643.80 : 224,240,465.70 = 68,714,611.80 : x - Step 2: Convert to fraction form
149,493,643.80/224,240,465.70 = 68,714,611.80/x - Step 3: Cross multiply
149,493,643.80x = 224,240,465.70 × 68,714,611.80 - Step 4: Simplify right side
149,493,643.80x = 15,408,596,550,426,714 - Step 5: Solve for x
x = 15,408,596,550,426,714/149,493,643.80 - Step 6: Final answer
x = 103,071,917.70
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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.