Finding the Fourth Proportional to 187,120,503.10, 258,213,185.40 and 108,798,499.99
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Solution
The fourth proportional to 187,120,503.10, 258,213,185.40 and 108,798,499.99 is: 150,134,308.02
Step by Step Solution
- Step 1: Write the proportion equation
187,120,503.10 : 258,213,185.40 = 108,798,499.99 : x - Step 2: Convert to fraction form
187,120,503.10/258,213,185.40 = 108,798,499.99/x - Step 3: Cross multiply
187,120,503.10x = 258,213,185.40 × 108,798,499.99 - Step 4: Simplify right side
187,120,503.10x = 28,093,207,249,159,768 - Step 5: Solve for x
x = 28,093,207,249,159,768/187,120,503.10 - Step 6: Final answer
x = 150,134,308.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.