Finding the Fourth Proportional to 122,225,163,507.26, 168,670,733,749.74 and 68,030,549,098.87
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Solution
The fourth proportional to 122,225,163,507.26, 168,670,733,749.74 and 68,030,549,098.87 is: 93,882,162,270.31
Step by Step Solution
- Step 1: Write the proportion equation
122,225,163,507.26 : 168,670,733,749.74 = 68,030,549,098.87 : x - Step 2: Convert to fraction form
122,225,163,507.26/168,670,733,749.74 = 68,030,549,098.87/x - Step 3: Cross multiply
122,225,163,507.26x = 168,670,733,749.74 × 68,030,549,098.87 - Step 4: Simplify right side
122,225,163,507.26x = 11,474,762,633,904,115,417,088 - Step 5: Solve for x
x = 11,474,762,633,904,115,417,088/122,225,163,507.26 - Step 6: Final answer
x = 93,882,162,270.31
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1.5x scale
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.