Finding the Fourth Proportional to 70,633,782.96, 97,475,754.14 and 38,845,208.98
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Solution
The fourth proportional to 70,633,782.96, 97,475,754.14 and 38,845,208.98 is: 53,607,011.85
Step by Step Solution
- Step 1: Write the proportion equation
70,633,782.96 : 97,475,754.14 = 38,845,208.98 : x - Step 2: Convert to fraction form
70,633,782.96/97,475,754.14 = 38,845,208.98/x - Step 3: Cross multiply
70,633,782.96x = 97,475,754.14 × 38,845,208.98 - Step 4: Simplify right side
70,633,782.96x = 3,786,466,040,051,400 - Step 5: Solve for x
x = 3,786,466,040,051,400/70,633,782.96 - Step 6: Final answer
x = 53,607,011.85
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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.