Finding the Fourth Proportional to 318,417,154.56, 477,624,128.64 and 124,348,276.80
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Solution
The fourth proportional to 318,417,154.56, 477,624,128.64 and 124,348,276.80 is: 186,521,789.12
Step by Step Solution
- Step 1: Write the proportion equation
318,417,154.56 : 477,624,128.64 = 124,348,276.80 : x - Step 2: Convert to fraction form
318,417,154.56/477,624,128.64 = 124,348,276.80/x - Step 3: Cross multiply
318,417,154.56x = 477,624,128.64 × 124,348,276.80 - Step 4: Simplify right side
318,417,154.56x = 59,391,737,354,485,528 - Step 5: Solve for x
x = 59,391,737,354,485,528/318,417,154.56 - Step 6: Final answer
x = 186,521,789.12
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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.