Finding the Fourth Proportional to 83,239,199.62, 124,870,763.13 and 25,735,954.84
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Solution
The fourth proportional to 83,239,199.62, 124,870,763.13 and 25,735,954.84 is: 38,607,631.21
Step by Step Solution
- Step 1: Write the proportion equation
83,239,199.62 : 124,870,763.13 = 25,735,954.84 : x - Step 2: Convert to fraction form
83,239,199.62/124,870,763.13 = 25,735,954.84/x - Step 3: Cross multiply
83,239,199.62x = 124,870,763.13 × 25,735,954.84 - Step 4: Simplify right side
83,239,199.62x = 3,213,668,320,750,017 - Step 5: Solve for x
x = 3,213,668,320,750,017/83,239,199.62 - Step 6: Final answer
x = 38,607,631.21
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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.