Finding the Fourth Proportional to 128,259,900.01, 176,993,920.14 and 69,521,304.00
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Solution
The fourth proportional to 128,259,900.01, 176,993,920.14 and 69,521,304.00 is: 95,936,829.25
Step by Step Solution
- Step 1: Write the proportion equation
128,259,900.01 : 176,993,920.14 = 69,521,304.00 : x - Step 2: Convert to fraction form
128,259,900.01/176,993,920.14 = 69,521,304.00/x - Step 3: Cross multiply
128,259,900.01x = 176,993,920.14 × 69,521,304.00 - Step 4: Simplify right side
128,259,900.01x = 12,304,848,127,280,230 - Step 5: Solve for x
x = 12,304,848,127,280,230/128,259,900.01 - Step 6: Final answer
x = 95,936,829.25
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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.