Finding the Fourth Proportional to 119,462,125.74, 179,230,391.91 and 42,785,818.26
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Solution
The fourth proportional to 119,462,125.74, 179,230,391.91 and 42,785,818.26 is: 64,192,051.89
Step by Step Solution
- Step 1: Write the proportion equation
119,462,125.74 : 179,230,391.91 = 42,785,818.26 : x - Step 2: Convert to fraction form
119,462,125.74/179,230,391.91 = 42,785,818.26/x - Step 3: Cross multiply
119,462,125.74x = 179,230,391.91 × 42,785,818.26 - Step 4: Simplify right side
119,462,125.74x = 7,668,518,974,929,834 - Step 5: Solve for x
x = 7,668,518,974,929,834/119,462,125.74 - Step 6: Final answer
x = 64,192,051.89
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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.