Finding the Fourth Proportional to 149,089,049.93, 205,740,432.19 and 87,219,869.69
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Solution
The fourth proportional to 149,089,049.93, 205,740,432.19 and 87,219,869.69 is: 120,361,982.95
Step by Step Solution
- Step 1: Write the proportion equation
149,089,049.93 : 205,740,432.19 = 87,219,869.69 : x - Step 2: Convert to fraction form
149,089,049.93/205,740,432.19 = 87,219,869.69/x - Step 3: Cross multiply
149,089,049.93x = 205,740,432.19 × 87,219,869.69 - Step 4: Simplify right side
149,089,049.93x = 17,944,653,685,576,080 - Step 5: Solve for x
x = 17,944,653,685,576,080/149,089,049.93 - Step 6: Final answer
x = 120,361,982.95
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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.