Finding the Fourth Proportional to 51,373,470.51, 70,905,688.74 and 30,477,101.99
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Solution
The fourth proportional to 51,373,470.51, 70,905,688.74 and 30,477,101.99 is: 42,064,510.84
Step by Step Solution
- Step 1: Write the proportion equation
51,373,470.51 : 70,905,688.74 = 30,477,101.99 : x - Step 2: Convert to fraction form
51,373,470.51/70,905,688.74 = 30,477,101.99/x - Step 3: Cross multiply
51,373,470.51x = 70,905,688.74 × 30,477,101.99 - Step 4: Simplify right side
51,373,470.51x = 2,160,999,907,045,646 - Step 5: Solve for x
x = 2,160,999,907,045,646/51,373,470.51 - Step 6: Final answer
x = 42,064,510.84
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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.