Finding the Fourth Proportional to 163,241,565.39, 225,282,836.25 and 122,935,420.67
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Solution
The fourth proportional to 163,241,565.39, 225,282,836.25 and 122,935,420.67 is: 169,658,016.80
Step by Step Solution
- Step 1: Write the proportion equation
163,241,565.39 : 225,282,836.25 = 122,935,420.67 : x - Step 2: Convert to fraction form
163,241,565.39/225,282,836.25 = 122,935,420.67/x - Step 3: Cross multiply
163,241,565.39x = 225,282,836.25 × 122,935,420.67 - Step 4: Simplify right side
163,241,565.39x = 27,695,240,242,998,064 - Step 5: Solve for x
x = 27,695,240,242,998,064/163,241,565.39 - Step 6: Final answer
x = 169,658,016.80
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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.