Finding the Fourth Proportional to 252,106,509.01, 347,907,314.96 and 139,073,451.97
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Solution
The fourth proportional to 252,106,509.01, 347,907,314.96 and 139,073,451.97 is: 191,921,547.16
Step by Step Solution
- Step 1: Write the proportion equation
252,106,509.01 : 347,907,314.96 = 139,073,451.97 : x - Step 2: Convert to fraction form
252,106,509.01/347,907,314.96 = 139,073,451.97/x - Step 3: Cross multiply
252,106,509.01x = 347,907,314.96 × 139,073,451.97 - Step 4: Simplify right side
252,106,509.01x = 48,384,671,257,101,216 - Step 5: Solve for x
x = 48,384,671,257,101,216/252,106,509.01 - Step 6: Final answer
x = 191,921,547.16
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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.