Finding the Fourth Proportional to 155,418,695.83, 214,574,594.17 and 98,935,311.74
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Solution
The fourth proportional to 155,418,695.83, 214,574,594.17 and 98,935,311.74 is: 136,592,346.58
Step by Step Solution
- Step 1: Write the proportion equation
155,418,695.83 : 214,574,594.17 = 98,935,311.74 : x - Step 2: Convert to fraction form
155,418,695.83/214,574,594.17 = 98,935,311.74/x - Step 3: Cross multiply
155,418,695.83x = 214,574,594.17 × 98,935,311.74 - Step 4: Simplify right side
155,418,695.83x = 21,229,004,365,692,936 - Step 5: Solve for x
x = 21,229,004,365,692,936/155,418,695.83 - Step 6: Final answer
x = 136,592,346.58
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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.