Finding the Fourth Proportional to 168,496,656.90, 252,744,985.35 and 141,286,877.70
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Solution
The fourth proportional to 168,496,656.90, 252,744,985.35 and 141,286,877.70 is: 211,930,316.55
Step by Step Solution
- Step 1: Write the proportion equation
168,496,656.90 : 252,744,985.35 = 141,286,877.70 : x - Step 2: Convert to fraction form
168,496,656.90/252,744,985.35 = 141,286,877.70/x - Step 3: Cross multiply
168,496,656.90x = 252,744,985.35 × 141,286,877.70 - Step 4: Simplify right side
168,496,656.90x = 35,709,549,834,433,736 - Step 5: Solve for x
x = 35,709,549,834,433,736/168,496,656.90 - Step 6: Final answer
x = 211,930,316.55
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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.