Finding the Fourth Proportional to 140,465,977.94, 210,279,176.87 and 84,965,852.84
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Solution
The fourth proportional to 140,465,977.94, 210,279,176.87 and 84,965,852.84 is: 127,194,854.28
Step by Step Solution
- Step 1: Write the proportion equation
140,465,977.94 : 210,279,176.87 = 84,965,852.84 : x - Step 2: Convert to fraction form
140,465,977.94/210,279,176.87 = 84,965,852.84/x - Step 3: Cross multiply
140,465,977.94x = 210,279,176.87 × 84,965,852.84 - Step 4: Simplify right side
140,465,977.94x = 17,866,549,595,776,526 - Step 5: Solve for x
x = 17,866,549,595,776,526/140,465,977.94 - Step 6: Final answer
x = 127,194,854.28
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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.