Finding the Fourth Proportional to 75,467,801.04, 104,145,918.12 and 42,874,541.52
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Solution
The fourth proportional to 75,467,801.04, 104,145,918.12 and 42,874,541.52 is: 59,167,067.66
Step by Step Solution
- Step 1: Write the proportion equation
75,467,801.04 : 104,145,918.12 = 42,874,541.52 : x - Step 2: Convert to fraction form
75,467,801.04/104,145,918.12 = 42,874,541.52/x - Step 3: Cross multiply
75,467,801.04x = 104,145,918.12 × 42,874,541.52 - Step 4: Simplify right side
75,467,801.04x = 4,465,208,490,574,461 - Step 5: Solve for x
x = 4,465,208,490,574,461/75,467,801.04 - Step 6: Final answer
x = 59,167,067.66
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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.