Finding the Fourth Proportional to 165,888,102.70, 248,832,154.05 and 135,655,014.70
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Solution
The fourth proportional to 165,888,102.70, 248,832,154.05 and 135,655,014.70 is: 203,482,522.05
Step by Step Solution
- Step 1: Write the proportion equation
165,888,102.70 : 248,832,154.05 = 135,655,014.70 : x - Step 2: Convert to fraction form
165,888,102.70/248,832,154.05 = 135,655,014.70/x - Step 3: Cross multiply
165,888,102.70x = 248,832,154.05 × 135,655,014.70 - Step 4: Simplify right side
165,888,102.70x = 33,755,329,515,485,412 - Step 5: Solve for x
x = 33,755,329,515,485,412/165,888,102.70 - Step 6: Final answer
x = 203,482,522.05
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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.