Finding the Fourth Proportional to 216,291,027.33, 298,877,548.14 and 157,451,540.67
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Solution
The fourth proportional to 216,291,027.33, 298,877,548.14 and 157,451,540.67 is: 217,571,348.23
Step by Step Solution
- Step 1: Write the proportion equation
216,291,027.33 : 298,877,548.14 = 157,451,540.67 : x - Step 2: Convert to fraction form
216,291,027.33/298,877,548.14 = 157,451,540.67/x - Step 3: Cross multiply
216,291,027.33x = 298,877,548.14 × 157,451,540.67 - Step 4: Simplify right side
216,291,027.33x = 47,058,730,426,315,088 - Step 5: Solve for x
x = 47,058,730,426,315,088/216,291,027.33 - Step 6: Final answer
x = 217,571,348.23
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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.