Finding the Fourth Proportional to 79,001,389.76, 109,017,532.80 and 44,187,354.08
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Solution
The fourth proportional to 79,001,389.76, 109,017,532.80 and 44,187,354.08 is: 60,976,095.96
Step by Step Solution
- Step 1: Write the proportion equation
79,001,389.76 : 109,017,532.80 = 44,187,354.08 : x - Step 2: Convert to fraction form
79,001,389.76/109,017,532.80 = 44,187,354.08/x - Step 3: Cross multiply
79,001,389.76x = 109,017,532.80 × 44,187,354.08 - Step 4: Simplify right side
79,001,389.76x = 4,817,196,322,761,613 - Step 5: Solve for x
x = 4,817,196,322,761,613/79,001,389.76 - Step 6: Final answer
x = 60,976,095.96
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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.