Finding the Fourth Proportional to 51,360,645.08, 70,877,430.34 and 27,839,087.08
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Solution
The fourth proportional to 51,360,645.08, 70,877,430.34 and 27,839,087.08 is: 38,417,799.31
Step by Step Solution
- Step 1: Write the proportion equation
51,360,645.08 : 70,877,430.34 = 27,839,087.08 : x - Step 2: Convert to fraction form
51,360,645.08/70,877,430.34 = 27,839,087.08/x - Step 3: Cross multiply
51,360,645.08x = 70,877,430.34 × 27,839,087.08 - Step 4: Simplify right side
51,360,645.08x = 1,973,162,955,102,698.25 - Step 5: Solve for x
x = 1,973,162,955,102,698.25/51,360,645.08 - Step 6: Final answer
x = 38,417,799.31
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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.