Finding the Fourth Proportional to 75,329,411.14, 103,965,933.09 and 45,977,800.18
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Solution
The fourth proportional to 75,329,411.14, 103,965,933.09 and 45,977,800.18 is: 63,456,289.18
Step by Step Solution
- Step 1: Write the proportion equation
75,329,411.14 : 103,965,933.09 = 45,977,800.18 : x - Step 2: Convert to fraction form
75,329,411.14/103,965,933.09 = 45,977,800.18/x - Step 3: Cross multiply
75,329,411.14x = 103,965,933.09 × 45,977,800.18 - Step 4: Simplify right side
75,329,411.14x = 4,780,124,897,139,270 - Step 5: Solve for x
x = 4,780,124,897,139,270/75,329,411.14 - Step 6: Final answer
x = 63,456,289.18
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1.5x scale
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.