Finding the Fourth Proportional to 73,778,842.80, 110,668,264.20 and 72,771,073.20
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Solution
The fourth proportional to 73,778,842.80, 110,668,264.20 and 72,771,073.20 is: 109,156,609.80
Step by Step Solution
- Step 1: Write the proportion equation
73,778,842.80 : 110,668,264.20 = 72,771,073.20 : x - Step 2: Convert to fraction form
73,778,842.80/110,668,264.20 = 72,771,073.20/x - Step 3: Cross multiply
73,778,842.80x = 110,668,264.20 × 72,771,073.20 - Step 4: Simplify right side
73,778,842.80x = 8,053,448,355,015,140 - Step 5: Solve for x
x = 8,053,448,355,015,140/73,778,842.80 - Step 6: Final answer
x = 109,156,609.80
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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.