Finding the Fourth Proportional to 159,811,204.20, 239,716,806.30 and 73,717,762.20
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Solution
The fourth proportional to 159,811,204.20, 239,716,806.30 and 73,717,762.20 is: 110,576,643.30
Step by Step Solution
- Step 1: Write the proportion equation
159,811,204.20 : 239,716,806.30 = 73,717,762.20 : x - Step 2: Convert to fraction form
159,811,204.20/239,716,806.30 = 73,717,762.20/x - Step 3: Cross multiply
159,811,204.20x = 239,716,806.30 × 73,717,762.20 - Step 4: Simplify right side
159,811,204.20x = 17,671,386,522,166,864 - Step 5: Solve for x
x = 17,671,386,522,166,864/159,811,204.20 - Step 6: Final answer
x = 110,576,643.30
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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.