Finding the Fourth Proportional to 127,182,698.57, 175,550,184.74 and 74,273,678.17
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Solution
The fourth proportional to 127,182,698.57, 175,550,184.74 and 74,273,678.17 is: 102,519,903.02
Step by Step Solution
- Step 1: Write the proportion equation
127,182,698.57 : 175,550,184.74 = 74,273,678.17 : x - Step 2: Convert to fraction form
127,182,698.57/175,550,184.74 = 74,273,678.17/x - Step 3: Cross multiply
127,182,698.57x = 175,550,184.74 × 74,273,678.17 - Step 4: Simplify right side
127,182,698.57x = 13,038,757,923,252,564 - Step 5: Solve for x
x = 13,038,757,923,252,564/127,182,698.57 - Step 6: Final answer
x = 102,519,903.02
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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.