Finding the Fourth Proportional to 126,119,551.48, 174,044,904.06 and 68,172,799.48
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Solution
The fourth proportional to 126,119,551.48, 174,044,904.06 and 68,172,799.48 is: 94,078,421.67
Step by Step Solution
- Step 1: Write the proportion equation
126,119,551.48 : 174,044,904.06 = 68,172,799.48 : x - Step 2: Convert to fraction form
126,119,551.48/174,044,904.06 = 68,172,799.48/x - Step 3: Cross multiply
126,119,551.48x = 174,044,904.06 × 68,172,799.48 - Step 4: Simplify right side
126,119,551.48x = 11,865,128,344,998,218 - Step 5: Solve for x
x = 11,865,128,344,998,218/126,119,551.48 - Step 6: Final answer
x = 94,078,421.67
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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.