Finding the Fourth Proportional to 63,279,942.99, 87,329,712 and 35,400,990.08
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Solution
The fourth proportional to 63,279,942.99, 87,329,712 and 35,400,990.08 is: 48,855,263.17
Step by Step Solution
- Step 1: Write the proportion equation
63,279,942.99 : 87,329,712 = 35,400,990.08 : x - Step 2: Convert to fraction form
63,279,942.99/87,329,712 = 35,400,990.08/x - Step 3: Cross multiply
63,279,942.99x = 87,329,712 × 35,400,990.08 - Step 4: Simplify right side
63,279,942.99x = 3,091,558,268,201,257 - Step 5: Solve for x
x = 3,091,558,268,201,257/63,279,942.99 - Step 6: Final answer
x = 48,855,263.17
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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.