Finding the Fourth Proportional to 209,953,807.30, 314,930,710.95 and 181,232,373.70
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Solution
The fourth proportional to 209,953,807.30, 314,930,710.95 and 181,232,373.70 is: 271,848,560.55
Step by Step Solution
- Step 1: Write the proportion equation
209,953,807.30 : 314,930,710.95 = 181,232,373.70 : x - Step 2: Convert to fraction form
209,953,807.30/314,930,710.95 = 181,232,373.70/x - Step 3: Cross multiply
209,953,807.30x = 314,930,710.95 × 181,232,373.70 - Step 4: Simplify right side
209,953,807.30x = 57,075,640,296,497,080 - Step 5: Solve for x
x = 57,075,640,296,497,080/209,953,807.30 - Step 6: Final answer
x = 271,848,560.55
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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.