Finding the Fourth Proportional to 56,163,615.30, 84,245,422.95 and 36,680,069.70
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Solution
The fourth proportional to 56,163,615.30, 84,245,422.95 and 36,680,069.70 is: 55,020,104.55
Step by Step Solution
- Step 1: Write the proportion equation
56,163,615.30 : 84,245,422.95 = 36,680,069.70 : x - Step 2: Convert to fraction form
56,163,615.30/84,245,422.95 = 36,680,069.70/x - Step 3: Cross multiply
56,163,615.30x = 84,245,422.95 × 36,680,069.70 - Step 4: Simplify right side
56,163,615.30x = 3,090,127,985,711,980 - Step 5: Solve for x
x = 3,090,127,985,711,980/56,163,615.30 - Step 6: Final answer
x = 55,020,104.55
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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.