Finding the Fourth Proportional to 135,392,510.69, 203,117,900.97 and 42,017,638.08
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Solution
The fourth proportional to 135,392,510.69, 203,117,900.97 and 42,017,638.08 is: 63,035,498.84
Step by Step Solution
- Step 1: Write the proportion equation
135,392,510.69 : 203,117,900.97 = 42,017,638.08 : x - Step 2: Convert to fraction form
135,392,510.69/203,117,900.97 = 42,017,638.08/x - Step 3: Cross multiply
135,392,510.69x = 203,117,900.97 × 42,017,638.08 - Step 4: Simplify right side
135,392,510.69x = 8,534,534,450,526,741 - Step 5: Solve for x
x = 8,534,534,450,526,741/135,392,510.69 - Step 6: Final answer
x = 63,035,498.84
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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.