Finding the Fourth Proportional to 83,948,865.93, 115,898,591.75 and 55,025,878.41
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Solution
The fourth proportional to 83,948,865.93, 115,898,591.75 and 55,025,878.41 is: 75,967,932.94
Step by Step Solution
- Step 1: Write the proportion equation
83,948,865.93 : 115,898,591.75 = 55,025,878.41 : x - Step 2: Convert to fraction form
83,948,865.93/115,898,591.75 = 55,025,878.41/x - Step 3: Cross multiply
83,948,865.93x = 115,898,591.75 × 55,025,878.41 - Step 4: Simplify right side
83,948,865.93x = 6,377,421,817,250,600 - Step 5: Solve for x
x = 6,377,421,817,250,600/83,948,865.93 - Step 6: Final answer
x = 75,967,932.94
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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.