Finding the Fourth Proportional to 74,179,425.99, 102,386,210.44 and 50,377,326.82
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Solution
The fourth proportional to 74,179,425.99, 102,386,210.44 and 50,377,326.82 is: 69,533,344.54
Step by Step Solution
- Step 1: Write the proportion equation
74,179,425.99 : 102,386,210.44 = 50,377,326.82 : x - Step 2: Convert to fraction form
74,179,425.99/102,386,210.44 = 50,377,326.82/x - Step 3: Cross multiply
74,179,425.99x = 102,386,210.44 × 50,377,326.82 - Step 4: Simplify right side
74,179,425.99x = 5,157,943,585,485,395 - Step 5: Solve for x
x = 5,157,943,585,485,395/74,179,425.99 - Step 6: Final answer
x = 69,533,344.54
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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.