Finding the Fourth Proportional to 273,688,155.19, 377,686,647.34 and 148,237,230.07
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Solution
The fourth proportional to 273,688,155.19, 377,686,647.34 and 148,237,230.07 is: 204,565,748.92
Step by Step Solution
- Step 1: Write the proportion equation
273,688,155.19 : 377,686,647.34 = 148,237,230.07 : x - Step 2: Convert to fraction form
273,688,155.19/377,686,647.34 = 148,237,230.07/x - Step 3: Cross multiply
273,688,155.19x = 377,686,647.34 × 148,237,230.07 - Step 4: Simplify right side
273,688,155.19x = 55,987,222,436,106,528 - Step 5: Solve for x
x = 55,987,222,436,106,528/273,688,155.19 - Step 6: Final answer
x = 204,565,748.92
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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.