Finding the Fourth Proportional to 107,352,859.66, 148,127,266.80 and 63,313,639.18
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Solution
The fourth proportional to 107,352,859.66, 148,127,266.80 and 63,313,639.18 is: 87,361,215.65
Step by Step Solution
- Step 1: Write the proportion equation
107,352,859.66 : 148,127,266.80 = 63,313,639.18 : x - Step 2: Convert to fraction form
107,352,859.66/148,127,266.80 = 63,313,639.18/x - Step 3: Cross multiply
107,352,859.66x = 148,127,266.80 × 63,313,639.18 - Step 4: Simplify right side
107,352,859.66x = 9,378,476,322,894,794 - Step 5: Solve for x
x = 9,378,476,322,894,794/107,352,859.66 - Step 6: Final answer
x = 87,361,215.65
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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.