Finding the Fourth Proportional to 72,594,048.99, 100,179,802.03 and 39,554,298.12
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Solution
The fourth proportional to 72,594,048.99, 100,179,802.03 and 39,554,298.12 is: 54,584,939.26
Step by Step Solution
- Step 1: Write the proportion equation
72,594,048.99 : 100,179,802.03 = 39,554,298.12 : x - Step 2: Convert to fraction form
72,594,048.99/100,179,802.03 = 39,554,298.12/x - Step 3: Cross multiply
72,594,048.99x = 100,179,802.03 × 39,554,298.12 - Step 4: Simplify right side
72,594,048.99x = 3,962,541,754,884,840 - Step 5: Solve for x
x = 3,962,541,754,884,840/72,594,048.99 - Step 6: Final answer
x = 54,584,939.26
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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.