Finding the Fourth Proportional to 71,218,164.20, 106,827,246.30 and 46,559,301.80
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Solution
The fourth proportional to 71,218,164.20, 106,827,246.30 and 46,559,301.80 is: 69,838,952.70
Step by Step Solution
- Step 1: Write the proportion equation
71,218,164.20 : 106,827,246.30 = 46,559,301.80 : x - Step 2: Convert to fraction form
71,218,164.20/106,827,246.30 = 46,559,301.80/x - Step 3: Cross multiply
71,218,164.20x = 106,827,246.30 × 46,559,301.80 - Step 4: Simplify right side
71,218,164.20x = 4,973,802,000,944,633 - Step 5: Solve for x
x = 4,973,802,000,944,633/71,218,164.20 - Step 6: Final answer
x = 69,838,952.70
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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.