Finding the Fourth Proportional to 115,765,583.08, 159,758,376.42 and 63,559,431.40
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Solution
The fourth proportional to 115,765,583.08, 159,758,376.42 and 63,559,431.40 is: 87,713,043.00
Step by Step Solution
- Step 1: Write the proportion equation
115,765,583.08 : 159,758,376.42 = 63,559,431.40 : x - Step 2: Convert to fraction form
115,765,583.08/159,758,376.42 = 63,559,431.40/x - Step 3: Cross multiply
115,765,583.08x = 159,758,376.42 × 63,559,431.40 - Step 4: Simplify right side
115,765,583.08x = 10,154,151,566,642,366 - Step 5: Solve for x
x = 10,154,151,566,642,366/115,765,583.08 - Step 6: Final answer
x = 87,713,043.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.