Finding the Fourth Proportional to 122,442,885.36, 168,971,184.88 and 67,438,741.86
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Solution
The fourth proportional to 122,442,885.36, 168,971,184.88 and 67,438,741.86 is: 93,065,465.46
Step by Step Solution
- Step 1: Write the proportion equation
122,442,885.36 : 168,971,184.88 = 67,438,741.86 : x - Step 2: Convert to fraction form
122,442,885.36/168,971,184.88 = 67,438,741.86/x - Step 3: Cross multiply
122,442,885.36x = 168,971,184.88 × 67,438,741.86 - Step 4: Simplify right side
122,442,885.36x = 11,395,204,118,732,058 - Step 5: Solve for x
x = 11,395,204,118,732,058/122,442,885.36 - Step 6: Final answer
x = 93,065,465.46
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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.