Finding the Fourth Proportional to 96,771,129.40, 145,062,215.70 and 86,567,462.20
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Solution
The fourth proportional to 96,771,129.40, 145,062,215.70 and 86,567,462.20 is: 129,766,676.82
Step by Step Solution
- Step 1: Write the proportion equation
96,771,129.40 : 145,062,215.70 = 86,567,462.20 : x - Step 2: Convert to fraction form
96,771,129.40/145,062,215.70 = 86,567,462.20/x - Step 3: Cross multiply
96,771,129.40x = 145,062,215.70 × 86,567,462.20 - Step 4: Simplify right side
96,771,129.40x = 12,557,667,874,257,996 - Step 5: Solve for x
x = 12,557,667,874,257,996/96,771,129.40 - Step 6: Final answer
x = 129,766,676.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.