Finding the Fourth Proportional to 82,990,848.10, 124,402,291.35 and 48,894,643.30
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Solution
The fourth proportional to 82,990,848.10, 124,402,291.35 and 48,894,643.30 is: 73,292,487.07
Step by Step Solution
- Step 1: Write the proportion equation
82,990,848.10 : 124,402,291.35 = 48,894,643.30 : x - Step 2: Convert to fraction form
82,990,848.10/124,402,291.35 = 48,894,643.30/x - Step 3: Cross multiply
82,990,848.10x = 124,402,291.35 × 48,894,643.30 - Step 4: Simplify right side
82,990,848.10x = 6,082,605,661,260,925 - Step 5: Solve for x
x = 6,082,605,661,260,925/82,990,848.10 - Step 6: Final answer
x = 73,292,487.07
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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.