Finding the Fourth Proportional to 99,737,009.20, 149,605,513.80 and 61,473,257.20
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Solution
The fourth proportional to 99,737,009.20, 149,605,513.80 and 61,473,257.20 is: 92,209,885.80
Step by Step Solution
- Step 1: Write the proportion equation
99,737,009.20 : 149,605,513.80 = 61,473,257.20 : x - Step 2: Convert to fraction form
99,737,009.20/149,605,513.80 = 61,473,257.20/x - Step 3: Cross multiply
99,737,009.20x = 149,605,513.80 × 61,473,257.20 - Step 4: Simplify right side
99,737,009.20x = 9,196,738,228,365,550 - Step 5: Solve for x
x = 9,196,738,228,365,550/99,737,009.20 - Step 6: Final answer
x = 92,209,885.80
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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.