Finding the Fourth Proportional to 86,865,038.70, 130,297,453.50 and 22,168,850.68
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Solution
The fourth proportional to 86,865,038.70, 130,297,453.50 and 22,168,850.68 is: 33,253,249.34
Step by Step Solution
- Step 1: Write the proportion equation
86,865,038.70 : 130,297,453.50 = 22,168,850.68 : x - Step 2: Convert to fraction form
86,865,038.70/130,297,453.50 = 22,168,850.68/x - Step 3: Cross multiply
86,865,038.70x = 130,297,453.50 × 22,168,850.68 - Step 4: Simplify right side
86,865,038.70x = 2,888,544,790,871,748 - Step 5: Solve for x
x = 2,888,544,790,871,748/86,865,038.70 - Step 6: Final answer
x = 33,253,249.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.