Finding the Fourth Proportional to 147,627,066.20, 203,731,536.42 and 84,903,206.76
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Solution
The fourth proportional to 147,627,066.20, 203,731,536.42 and 84,903,206.76 is: 117,169,982.48
Step by Step Solution
- Step 1: Write the proportion equation
147,627,066.20 : 203,731,536.42 = 84,903,206.76 : x - Step 2: Convert to fraction form
147,627,066.20/203,731,536.42 = 84,903,206.76/x - Step 3: Cross multiply
147,627,066.20x = 203,731,536.42 × 84,903,206.76 - Step 4: Simplify right side
147,627,066.20x = 17,297,460,760,199,730 - Step 5: Solve for x
x = 17,297,460,760,199,730/147,627,066.20 - Step 6: Final answer
x = 117,169,982.48
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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.