Finding the Fourth Proportional to 149,479,903.80, 224,219,855.70 and 68,858,335.80
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Solution
The fourth proportional to 149,479,903.80, 224,219,855.70 and 68,858,335.80 is: 103,287,503.70
Step by Step Solution
- Step 1: Write the proportion equation
149,479,903.80 : 224,219,855.70 = 68,858,335.80 : x - Step 2: Convert to fraction form
149,479,903.80/224,219,855.70 = 68,858,335.80/x - Step 3: Cross multiply
149,479,903.80x = 224,219,855.70 × 68,858,335.80 - Step 4: Simplify right side
149,479,903.80x = 15,439,406,116,818,142 - Step 5: Solve for x
x = 15,439,406,116,818,142/149,479,903.80 - Step 6: Final answer
x = 103,287,503.70
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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.