Finding the Fourth Proportional to 73,609,752.60, 101,577,313.35 and 40,569,901.62
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Solution
The fourth proportional to 73,609,752.60, 101,577,313.35 and 40,569,901.62 is: 55,984,179.59
Step by Step Solution
- Step 1: Write the proportion equation
73,609,752.60 : 101,577,313.35 = 40,569,901.62 : x - Step 2: Convert to fraction form
73,609,752.60/101,577,313.35 = 40,569,901.62/x - Step 3: Cross multiply
73,609,752.60x = 101,577,313.35 × 40,569,901.62 - Step 4: Simplify right side
73,609,752.60x = 4,120,981,609,433,412 - Step 5: Solve for x
x = 4,120,981,609,433,412/73,609,752.60 - Step 6: Final answer
x = 55,984,179.59
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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.