Finding the Fourth Proportional to 124,216,470.08, 171,411,733.56 and 68,461,721.60
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Solution
The fourth proportional to 124,216,470.08, 171,411,733.56 and 68,461,721.60 is: 94,473,320.44
Step by Step Solution
- Step 1: Write the proportion equation
124,216,470.08 : 171,411,733.56 = 68,461,721.60 : x - Step 2: Convert to fraction form
124,216,470.08/171,411,733.56 = 68,461,721.60/x - Step 3: Cross multiply
124,216,470.08x = 171,411,733.56 × 68,461,721.60 - Step 4: Simplify right side
124,216,470.08x = 11,735,142,381,958,096 - Step 5: Solve for x
x = 11,735,142,381,958,096/124,216,470.08 - Step 6: Final answer
x = 94,473,320.44
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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.