Finding the Fourth Proportional to 99,526,440.64, 137,033,921.64 and 84,612,418.24
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Solution
The fourth proportional to 99,526,440.64, 137,033,921.64 and 84,612,418.24 is: 116,499,408.76
Step by Step Solution
- Step 1: Write the proportion equation
99,526,440.64 : 137,033,921.64 = 84,612,418.24 : x - Step 2: Convert to fraction form
99,526,440.64/137,033,921.64 = 84,612,418.24/x - Step 3: Cross multiply
99,526,440.64x = 137,033,921.64 × 84,612,418.24 - Step 4: Simplify right side
99,526,440.64x = 11,594,771,490,871,064 - Step 5: Solve for x
x = 11,594,771,490,871,064/99,526,440.64 - Step 6: Final answer
x = 116,499,408.76
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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.