Finding the Fourth Proportional to 235,267,506.54, 324,667,363.68 and 129,418,642.62
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Solution
The fourth proportional to 235,267,506.54, 324,667,363.68 and 129,418,642.62 is: 178,596,739.21
Step by Step Solution
- Step 1: Write the proportion equation
235,267,506.54 : 324,667,363.68 = 129,418,642.62 : x - Step 2: Convert to fraction form
235,267,506.54/324,667,363.68 = 129,418,642.62/x - Step 3: Cross multiply
235,267,506.54x = 324,667,363.68 × 129,418,642.62 - Step 4: Simplify right side
235,267,506.54x = 42,018,009,510,479,488 - Step 5: Solve for x
x = 42,018,009,510,479,488/235,267,506.54 - Step 6: Final answer
x = 178,596,739.21
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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.