Finding the Fourth Proportional to 86,865,038.15, 130,297,452.66 and 22,168,850.12
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Solution
The fourth proportional to 86,865,038.15, 130,297,452.66 and 22,168,850.12 is: 33,253,248.49
Step by Step Solution
- Step 1: Write the proportion equation
86,865,038.15 : 130,297,452.66 = 22,168,850.12 : x - Step 2: Convert to fraction form
86,865,038.15/130,297,452.66 = 22,168,850.12/x - Step 3: Cross multiply
86,865,038.15x = 130,297,452.66 × 22,168,850.12 - Step 4: Simplify right side
86,865,038.15x = 2,888,544,698,874,463 - Step 5: Solve for x
x = 2,888,544,698,874,463/86,865,038.15 - Step 6: Final answer
x = 33,253,248.49
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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.