Finding the Fourth Proportional to 231,834,962.05, 347,752,443.08 and 124,339,538.05
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Solution
The fourth proportional to 231,834,962.05, 347,752,443.08 and 124,339,538.05 is: 186,509,307.08
Step by Step Solution
- Step 1: Write the proportion equation
231,834,962.05 : 347,752,443.08 = 124,339,538.05 : x - Step 2: Convert to fraction form
231,834,962.05/347,752,443.08 = 124,339,538.05/x - Step 3: Cross multiply
231,834,962.05x = 347,752,443.08 × 124,339,538.05 - Step 4: Simplify right side
231,834,962.05x = 43,239,378,127,704,416 - Step 5: Solve for x
x = 43,239,378,127,704,416/231,834,962.05 - Step 6: Final answer
x = 186,509,307.08
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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.