Finding the Fourth Proportional to 69,629,068.68, 96,083,902.56 and 38,688,180
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Solution
The fourth proportional to 69,629,068.68, 96,083,902.56 and 38,688,180 is: 53,387,347.95
Step by Step Solution
- Step 1: Write the proportion equation
69,629,068.68 : 96,083,902.56 = 38,688,180 : x - Step 2: Convert to fraction form
69,629,068.68/96,083,902.56 = 38,688,180/x - Step 3: Cross multiply
69,629,068.68x = 96,083,902.56 × 38,688,180 - Step 4: Simplify right side
69,629,068.68x = 3,717,311,317,343,741 - Step 5: Solve for x
x = 3,717,311,317,343,741/69,629,068.68 - Step 6: Final answer
x = 53,387,347.95
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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.