Finding the Fourth Proportional to 69,777,020.71, 96,290,528.58 and 38,414,756.67
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Solution
The fourth proportional to 69,777,020.71, 96,290,528.58 and 38,414,756.67 is: 53,011,395.26
Step by Step Solution
- Step 1: Write the proportion equation
69,777,020.71 : 96,290,528.58 = 38,414,756.67 : x - Step 2: Convert to fraction form
69,777,020.71/96,290,528.58 = 38,414,756.67/x - Step 3: Cross multiply
69,777,020.71x = 96,290,528.58 × 38,414,756.67 - Step 4: Simplify right side
69,777,020.71x = 3,698,977,225,026,380.50 - Step 5: Solve for x
x = 3,698,977,225,026,380.50/69,777,020.71 - Step 6: Final answer
x = 53,011,395.26
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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.