Finding the Fourth Proportional to 235,671,226.20, 325,236,382.40 and 131,249,297.18
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Solution
The fourth proportional to 235,671,226.20, 325,236,382.40 and 131,249,297.18 is: 181,129,649.54
Step by Step Solution
- Step 1: Write the proportion equation
235,671,226.20 : 325,236,382.40 = 131,249,297.18 : x - Step 2: Convert to fraction form
235,671,226.20/325,236,382.40 = 131,249,297.18/x - Step 3: Cross multiply
235,671,226.20x = 325,236,382.40 × 131,249,297.18 - Step 4: Simplify right side
235,671,226.20x = 42,687,046,608,506,936 - Step 5: Solve for x
x = 42,687,046,608,506,936/235,671,226.20 - Step 6: Final answer
x = 181,129,649.54
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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.