Finding the Fourth Proportional to 119,520,374.92, 179,062,069.52 and 86,649,534.76
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Solution
The fourth proportional to 119,520,374.92, 179,062,069.52 and 86,649,534.76 is: 129,815,899.82
Step by Step Solution
- Step 1: Write the proportion equation
119,520,374.92 : 179,062,069.52 = 86,649,534.76 : x - Step 2: Convert to fraction form
119,520,374.92/179,062,069.52 = 86,649,534.76/x - Step 3: Cross multiply
119,520,374.92x = 179,062,069.52 × 86,649,534.76 - Step 4: Simplify right side
119,520,374.92x = 15,515,645,017,070,778 - Step 5: Solve for x
x = 15,515,645,017,070,778/119,520,374.92 - Step 6: Final answer
x = 129,815,899.82
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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.