Finding the Fourth Proportional to 122,225,163,249.39, 168,670,733,395.18 and 68,030,548,840.91
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Solution
The fourth proportional to 122,225,163,249.39, 168,670,733,395.18 and 68,030,548,840.91 is: 93,882,161,915.05
Step by Step Solution
- Step 1: Write the proportion equation
122,225,163,249.39 : 168,670,733,395.18 = 68,030,548,840.91 : x - Step 2: Convert to fraction form
122,225,163,249.39/168,670,733,395.18 = 68,030,548,840.91/x - Step 3: Cross multiply
122,225,163,249.39x = 168,670,733,395.18 × 68,030,548,840.91 - Step 4: Simplify right side
122,225,163,249.39x = 11,474,762,566,272,058,130,432 - Step 5: Solve for x
x = 11,474,762,566,272,058,130,432/122,225,163,249.39 - Step 6: Final answer
x = 93,882,161,915.05
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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.