Finding the Fourth Proportional to 53,836,457.80, 80,754,686.70 and 31,161,641.80
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Solution
The fourth proportional to 53,836,457.80, 80,754,686.70 and 31,161,641.80 is: 46,742,462.70
Step by Step Solution
- Step 1: Write the proportion equation
53,836,457.80 : 80,754,686.70 = 31,161,641.80 : x - Step 2: Convert to fraction form
53,836,457.80/80,754,686.70 = 31,161,641.80/x - Step 3: Cross multiply
53,836,457.80x = 80,754,686.70 × 31,161,641.80 - Step 4: Simplify right side
53,836,457.80x = 2,516,448,620,616,624 - Step 5: Solve for x
x = 2,516,448,620,616,624/53,836,457.80 - Step 6: Final answer
x = 46,742,462.70
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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.