Finding the Fourth Proportional to 96,871,432.16, 145,375,251.80 and 87,609,661.09
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Solution
The fourth proportional to 96,871,432.16, 145,375,251.80 and 87,609,661.09 is: 131,476,083.88
Step by Step Solution
- Step 1: Write the proportion equation
96,871,432.16 : 145,375,251.80 = 87,609,661.09 : x - Step 2: Convert to fraction form
96,871,432.16/145,375,251.80 = 87,609,661.09/x - Step 3: Cross multiply
96,871,432.16x = 145,375,251.80 × 87,609,661.09 - Step 4: Simplify right side
96,871,432.16x = 12,736,276,540,269,926 - Step 5: Solve for x
x = 12,736,276,540,269,926/96,871,432.16 - Step 6: Final answer
x = 131,476,083.88
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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.