Finding the Fourth Proportional to 165,437,306.20, 228,309,676.14 and 91,101,089.88
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Solution
The fourth proportional to 165,437,306.20, 228,309,676.14 and 91,101,089.88 is: 125,722,914.65
Step by Step Solution
- Step 1: Write the proportion equation
165,437,306.20 : 228,309,676.14 = 91,101,089.88 : x - Step 2: Convert to fraction form
165,437,306.20/228,309,676.14 = 91,101,089.88/x - Step 3: Cross multiply
165,437,306.20x = 228,309,676.14 × 91,101,089.88 - Step 4: Simplify right side
165,437,306.20x = 20,799,260,326,503,828 - Step 5: Solve for x
x = 20,799,260,326,503,828/165,437,306.20 - Step 6: Final answer
x = 125,722,914.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.