Finding the Fourth Proportional to 258,170,747.58, 387,337,985.73 and 92,170,691.28
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Solution
The fourth proportional to 258,170,747.58, 387,337,985.73 and 92,170,691.28 is: 138,285,263.68
Step by Step Solution
- Step 1: Write the proportion equation
258,170,747.58 : 387,337,985.73 = 92,170,691.28 : x - Step 2: Convert to fraction form
258,170,747.58/387,337,985.73 = 92,170,691.28/x - Step 3: Cross multiply
258,170,747.58x = 387,337,985.73 × 92,170,691.28 - Step 4: Simplify right side
258,170,747.58x = 35,701,209,903,736,876 - Step 5: Solve for x
x = 35,701,209,903,736,876/258,170,747.58 - Step 6: Final answer
x = 138,285,263.68
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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.