Finding the Fourth Proportional to 213,124,603.84, 294,111,950.46 and 115,339,459.84
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Solution
The fourth proportional to 213,124,603.84, 294,111,950.46 and 115,339,459.84 is: 159,168,453.04
Step by Step Solution
- Step 1: Write the proportion equation
213,124,603.84 : 294,111,950.46 = 115,339,459.84 : x - Step 2: Convert to fraction form
213,124,603.84/294,111,950.46 = 115,339,459.84/x - Step 3: Cross multiply
213,124,603.84x = 294,111,950.46 × 115,339,459.84 - Step 4: Simplify right side
213,124,603.84x = 33,922,713,498,545,240 - Step 5: Solve for x
x = 33,922,713,498,545,240/213,124,603.84 - Step 6: Final answer
x = 159,168,453.04
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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.