Finding the Fourth Proportional to 165,957,579.30, 248,936,368.95 and 154,620,171.30
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Solution
The fourth proportional to 165,957,579.30, 248,936,368.95 and 154,620,171.30 is: 231,930,256.95
Step by Step Solution
- Step 1: Write the proportion equation
165,957,579.30 : 248,936,368.95 = 154,620,171.30 : x - Step 2: Convert to fraction form
165,957,579.30/248,936,368.95 = 154,620,171.30/x - Step 3: Cross multiply
165,957,579.30x = 248,936,368.95 × 154,620,171.30 - Step 4: Simplify right side
165,957,579.30x = 38,490,584,009,849,000 - Step 5: Solve for x
x = 38,490,584,009,849,000/165,957,579.30 - Step 6: Final answer
x = 231,930,256.95
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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.