Finding the Fourth Proportional to 159,607,864.53, 220,261,297.68 and 93,512,547.36
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Solution
The fourth proportional to 159,607,864.53, 220,261,297.68 and 93,512,547.36 is: 129,048,747.64
Step by Step Solution
- Step 1: Write the proportion equation
159,607,864.53 : 220,261,297.68 = 93,512,547.36 : x - Step 2: Convert to fraction form
159,607,864.53/220,261,297.68 = 93,512,547.36/x - Step 3: Cross multiply
159,607,864.53x = 220,261,297.68 × 93,512,547.36 - Step 4: Simplify right side
159,607,864.53x = 20,597,195,030,876,060 - Step 5: Solve for x
x = 20,597,195,030,876,060/159,607,864.53 - Step 6: Final answer
x = 129,048,747.64
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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.