Finding the Fourth Proportional to 122,225,163,506.26, 168,670,733,748.36 and 68,030,549,097.87
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Solution
The fourth proportional to 122,225,163,506.26, 168,670,733,748.36 and 68,030,549,097.87 is: 93,882,162,268.93
Step by Step Solution
- Step 1: Write the proportion equation
122,225,163,506.26 : 168,670,733,748.36 = 68,030,549,097.87 : x - Step 2: Convert to fraction form
122,225,163,506.26/168,670,733,748.36 = 68,030,549,097.87/x - Step 3: Cross multiply
122,225,163,506.26x = 168,670,733,748.36 × 68,030,549,097.87 - Step 4: Simplify right side
122,225,163,506.26x = 11,474,762,633,641,562,472,448 - Step 5: Solve for x
x = 11,474,762,633,641,562,472,448/122,225,163,506.26 - Step 6: Final answer
x = 93,882,162,268.93
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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.