Finding the Fourth Proportional to 159,362,309.20, 239,112,993.98 and 55,805,840.32
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Solution
The fourth proportional to 159,362,309.20, 239,112,993.98 and 55,805,840.32 is: 83,733,108.71
Step by Step Solution
- Step 1: Write the proportion equation
159,362,309.20 : 239,112,993.98 = 55,805,840.32 : x - Step 2: Convert to fraction form
159,362,309.20/239,112,993.98 = 55,805,840.32/x - Step 3: Cross multiply
159,362,309.20x = 239,112,993.98 × 55,805,840.32 - Step 4: Simplify right side
159,362,309.20x = 13,343,901,560,485,000 - Step 5: Solve for x
x = 13,343,901,560,485,000/159,362,309.20 - Step 6: Final answer
x = 83,733,108.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.