Finding the Fourth Proportional to 121,244,465.04, 167,317,428.93 and 65,489,885.19
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Solution
The fourth proportional to 121,244,465.04, 167,317,428.93 and 65,489,885.19 is: 90,376,077.85
Step by Step Solution
- Step 1: Write the proportion equation
121,244,465.04 : 167,317,428.93 = 65,489,885.19 : x - Step 2: Convert to fraction form
121,244,465.04/167,317,428.93 = 65,489,885.19/x - Step 3: Cross multiply
121,244,465.04x = 167,317,428.93 × 65,489,885.19 - Step 4: Simplify right side
121,244,465.04x = 10,957,599,210,911,684 - Step 5: Solve for x
x = 10,957,599,210,911,684/121,244,465.04 - Step 6: Final answer
x = 90,376,077.85
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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.