Finding the Fourth Proportional to 103,669,762.98, 155,444,482.80 and 49,081,887.57
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Solution
The fourth proportional to 103,669,762.98, 155,444,482.80 and 49,081,887.57 is: 73,594,348.14
Step by Step Solution
- Step 1: Write the proportion equation
103,669,762.98 : 155,444,482.80 = 49,081,887.57 : x - Step 2: Convert to fraction form
103,669,762.98/155,444,482.80 = 49,081,887.57/x - Step 3: Cross multiply
103,669,762.98x = 155,444,482.80 × 49,081,887.57 - Step 4: Simplify right side
103,669,762.98x = 7,629,508,628,166,399 - Step 5: Solve for x
x = 7,629,508,628,166,399/103,669,762.98 - Step 6: Final answer
x = 73,594,348.14
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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.