Finding the Fourth Proportional to 104,904,278.40, 157,498,135.20 and 66,640,526.40
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Solution
The fourth proportional to 104,904,278.40, 157,498,135.20 and 66,640,526.40 is: 100,050,815.82
Step by Step Solution
- Step 1: Write the proportion equation
104,904,278.40 : 157,498,135.20 = 66,640,526.40 : x - Step 2: Convert to fraction form
104,904,278.40/157,498,135.20 = 66,640,526.40/x - Step 3: Cross multiply
104,904,278.40x = 157,498,135.20 × 66,640,526.40 - Step 4: Simplify right side
104,904,278.40x = 10,495,758,636,746,368 - Step 5: Solve for x
x = 10,495,758,636,746,368/104,904,278.40 - Step 6: Final answer
x = 100,050,815.82
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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.