Finding the Fourth Proportional to 66,590,809.20, 99,718,252.20 and 53,153,881.20
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Solution
The fourth proportional to 66,590,809.20, 99,718,252.20 and 53,153,881.20 is: 79,596,752.08
Step by Step Solution
- Step 1: Write the proportion equation
66,590,809.20 : 99,718,252.20 = 53,153,881.20 : x - Step 2: Convert to fraction form
66,590,809.20/99,718,252.20 = 53,153,881.20/x - Step 3: Cross multiply
66,590,809.20x = 99,718,252.20 × 53,153,881.20 - Step 4: Simplify right side
66,590,809.20x = 5,300,412,130,910,439 - Step 5: Solve for x
x = 5,300,412,130,910,439/66,590,809.20 - Step 6: Final answer
x = 79,596,752.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.