Finding the Fourth Proportional to 93,503,512.80, 129,028,698.81 and 53,804,636.07
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Solution
The fourth proportional to 93,503,512.80, 129,028,698.81 and 53,804,636.07 is: 74,246,859.55
Step by Step Solution
- Step 1: Write the proportion equation
93,503,512.80 : 129,028,698.81 = 53,804,636.07 : x - Step 2: Convert to fraction form
93,503,512.80/129,028,698.81 = 53,804,636.07/x - Step 3: Cross multiply
93,503,512.80x = 129,028,698.81 × 53,804,636.07 - Step 4: Simplify right side
93,503,512.80x = 6,942,342,182,057,692 - Step 5: Solve for x
x = 6,942,342,182,057,692/93,503,512.80 - Step 6: Final answer
x = 74,246,859.55
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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.