Finding the Fourth Proportional to 133,058,955.80, 199,588,433.70 and 97,227,147.80
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Solution
The fourth proportional to 133,058,955.80, 199,588,433.70 and 97,227,147.80 is: 145,840,721.70
Step by Step Solution
- Step 1: Write the proportion equation
133,058,955.80 : 199,588,433.70 = 97,227,147.80 : x - Step 2: Convert to fraction form
133,058,955.80/199,588,433.70 = 97,227,147.80/x - Step 3: Cross multiply
133,058,955.80x = 199,588,433.70 × 97,227,147.80 - Step 4: Simplify right side
133,058,955.80x = 19,405,414,142,520,400 - Step 5: Solve for x
x = 19,405,414,142,520,400/133,058,955.80 - Step 6: Final answer
x = 145,840,721.70
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1.5x scale
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.