Finding the Fourth Proportional to 122,225,163,509.65, 168,670,733,753.02 and 68,030,549,101.26
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Solution
The fourth proportional to 122,225,163,509.65, 168,670,733,753.02 and 68,030,549,101.26 is: 93,882,162,273.60
Step by Step Solution
- Step 1: Write the proportion equation
122,225,163,509.65 : 168,670,733,753.02 = 68,030,549,101.26 : x - Step 2: Convert to fraction form
122,225,163,509.65/168,670,733,753.02 = 68,030,549,101.26/x - Step 3: Cross multiply
122,225,163,509.65x = 168,670,733,753.02 × 68,030,549,101.26 - Step 4: Simplify right side
122,225,163,509.65x = 11,474,762,634,530,379,530,240 - Step 5: Solve for x
x = 11,474,762,634,530,379,530,240/122,225,163,509.65 - Step 6: Final answer
x = 93,882,162,273.60
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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.