Finding the Fourth Proportional to 172,679,115.60, 258,682,750.20 and 104,318,744.40
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Solution
The fourth proportional to 172,679,115.60, 258,682,750.20 and 104,318,744.40 is: 156,275,178.99
Step by Step Solution
- Step 1: Write the proportion equation
172,679,115.60 : 258,682,750.20 = 104,318,744.40 : x - Step 2: Convert to fraction form
172,679,115.60/258,682,750.20 = 104,318,744.40/x - Step 3: Cross multiply
172,679,115.60x = 258,682,750.20 × 104,318,744.40 - Step 4: Simplify right side
172,679,115.60x = 26,985,459,698,802,848 - Step 5: Solve for x
x = 26,985,459,698,802,848/172,679,115.60 - Step 6: Final answer
x = 156,275,178.99
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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.