Finding the Fourth Proportional to 269,658,723.02, 372,023,157.58 and 156,608,970.44
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Solution
The fourth proportional to 269,658,723.02, 372,023,157.58 and 156,608,970.44 is: 216,058,887.45
Step by Step Solution
- Step 1: Write the proportion equation
269,658,723.02 : 372,023,157.58 = 156,608,970.44 : x - Step 2: Convert to fraction form
269,658,723.02/372,023,157.58 = 156,608,970.44/x - Step 3: Cross multiply
269,658,723.02x = 372,023,157.58 × 156,608,970.44 - Step 4: Simplify right side
269,658,723.02x = 58,262,163,686,190,040 - Step 5: Solve for x
x = 58,262,163,686,190,040/269,658,723.02 - Step 6: Final answer
x = 216,058,887.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.