Finding the Fourth Proportional to 159,362,340.37, 239,113,040.79 and 55,805,871.49
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Solution
The fourth proportional to 159,362,340.37, 239,113,040.79 and 55,805,871.49 is: 83,733,155.49
Step by Step Solution
- Step 1: Write the proportion equation
159,362,340.37 : 239,113,040.79 = 55,805,871.49 : x - Step 2: Convert to fraction form
159,362,340.37/239,113,040.79 = 55,805,871.49/x - Step 3: Cross multiply
159,362,340.37x = 239,113,040.79 × 55,805,871.49 - Step 4: Simplify right side
159,362,340.37x = 13,343,911,625,909,868 - Step 5: Solve for x
x = 13,343,911,625,909,868/159,362,340.37 - Step 6: Final answer
x = 83,733,155.49
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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.