Finding the Fourth Proportional to 140,785,346.30, 211,193,962.79 and 126,319,522.26
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Solution
The fourth proportional to 140,785,346.30, 211,193,962.79 and 126,319,522.26 is: 189,493,588.54
Step by Step Solution
- Step 1: Write the proportion equation
140,785,346.30 : 211,193,962.79 = 126,319,522.26 : x - Step 2: Convert to fraction form
140,785,346.30/211,193,962.79 = 126,319,522.26/x - Step 3: Cross multiply
140,785,346.30x = 211,193,962.79 × 126,319,522.26 - Step 4: Simplify right side
140,785,346.30x = 26,677,920,483,829,016 - Step 5: Solve for x
x = 26,677,920,483,829,016/140,785,346.30 - Step 6: Final answer
x = 189,493,588.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.