Finding the Fourth Proportional to 207,210,129.44, 310,661,965.64 and 125,310,800.08
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Solution
The fourth proportional to 207,210,129.44, 310,661,965.64 and 125,310,800.08 is: 187,873,534.82
Step by Step Solution
- Step 1: Write the proportion equation
207,210,129.44 : 310,661,965.64 = 125,310,800.08 : x - Step 2: Convert to fraction form
207,210,129.44/310,661,965.64 = 125,310,800.08/x - Step 3: Cross multiply
207,210,129.44x = 310,661,965.64 × 125,310,800.08 - Step 4: Simplify right side
207,210,129.44x = 38,929,299,468,773,864 - Step 5: Solve for x
x = 38,929,299,468,773,864/207,210,129.44 - Step 6: Final answer
x = 187,873,534.82
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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.