Finding the Fourth Proportional to 162,141,403.32, 243,212,027.11 and 39,319,700.13
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Solution
The fourth proportional to 162,141,403.32, 243,212,027.11 and 39,319,700.13 is: 58,979,531.31
Step by Step Solution
- Step 1: Write the proportion equation
162,141,403.32 : 243,212,027.11 = 39,319,700.13 : x - Step 2: Convert to fraction form
162,141,403.32/243,212,027.11 = 39,319,700.13/x - Step 3: Cross multiply
162,141,403.32x = 243,212,027.11 × 39,319,700.13 - Step 4: Simplify right side
162,141,403.32x = 9,563,023,973,876,332 - Step 5: Solve for x
x = 9,563,023,973,876,332/162,141,403.32 - Step 6: Final answer
x = 58,979,531.31
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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.