Finding the Fourth Proportional to 96,775,785.80, 145,163,678.70 and 60,943,977.80
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Solution
The fourth proportional to 96,775,785.80, 145,163,678.70 and 60,943,977.80 is: 91,415,966.70
Step by Step Solution
- Step 1: Write the proportion equation
96,775,785.80 : 145,163,678.70 = 60,943,977.80 : x - Step 2: Convert to fraction form
96,775,785.80/145,163,678.70 = 60,943,977.80/x - Step 3: Cross multiply
96,775,785.80x = 145,163,678.70 × 60,943,977.80 - Step 4: Simplify right side
96,775,785.80x = 8,846,852,012,059,132 - Step 5: Solve for x
x = 8,846,852,012,059,132/96,775,785.80 - Step 6: Final answer
x = 91,415,966.70
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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.