Finding the Fourth Proportional to 72,740,915.81, 109,125,747.44 and 26,683,212.49
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Solution
The fourth proportional to 72,740,915.81, 109,125,747.44 and 26,683,212.49 is: 40,030,091.38
Step by Step Solution
- Step 1: Write the proportion equation
72,740,915.81 : 109,125,747.44 = 26,683,212.49 : x - Step 2: Convert to fraction form
72,740,915.81/109,125,747.44 = 26,683,212.49/x - Step 3: Cross multiply
72,740,915.81x = 109,125,747.44 × 26,683,212.49 - Step 4: Simplify right side
72,740,915.81x = 2,911,825,506,765,425 - Step 5: Solve for x
x = 2,911,825,506,765,425/72,740,915.81 - Step 6: Final answer
x = 40,030,091.38
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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.