Finding the Fourth Proportional to 62,209,036.80, 93,313,555.20 and 54,246,412.80
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Solution
The fourth proportional to 62,209,036.80, 93,313,555.20 and 54,246,412.80 is: 81,369,619.20
Step by Step Solution
- Step 1: Write the proportion equation
62,209,036.80 : 93,313,555.20 = 54,246,412.80 : x - Step 2: Convert to fraction form
62,209,036.80/93,313,555.20 = 54,246,412.80/x - Step 3: Cross multiply
62,209,036.80x = 93,313,555.20 × 54,246,412.80 - Step 4: Simplify right side
62,209,036.80x = 5,061,925,635,214,786 - Step 5: Solve for x
x = 5,061,925,635,214,786/62,209,036.80 - Step 6: Final answer
x = 81,369,619.20
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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.