Finding the Fourth Proportional to 115,648,715.60, 159,593,721.60 and 66,088,525.28
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Solution
The fourth proportional to 115,648,715.60, 159,593,721.60 and 66,088,525.28 is: 91,201,304.31
Step by Step Solution
- Step 1: Write the proportion equation
115,648,715.60 : 159,593,721.60 = 66,088,525.28 : x - Step 2: Convert to fraction form
115,648,715.60/159,593,721.60 = 66,088,525.28/x - Step 3: Cross multiply
115,648,715.60x = 159,593,721.60 × 66,088,525.28 - Step 4: Simplify right side
115,648,715.60x = 10,547,313,704,490,882 - Step 5: Solve for x
x = 10,547,313,704,490,882/115,648,715.60 - Step 6: Final answer
x = 91,201,304.31
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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.