Finding the Fourth Proportional to 76,968,628.24, 106,176,437.22 and 47,590,569.76
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Solution
The fourth proportional to 76,968,628.24, 106,176,437.22 and 47,590,569.76 is: 65,650,087.03
Step by Step Solution
- Step 1: Write the proportion equation
76,968,628.24 : 106,176,437.22 = 47,590,569.76 : x - Step 2: Convert to fraction form
76,968,628.24/106,176,437.22 = 47,590,569.76/x - Step 3: Cross multiply
76,968,628.24x = 106,176,437.22 × 47,590,569.76 - Step 4: Simplify right side
76,968,628.24x = 5,052,997,142,386,670 - Step 5: Solve for x
x = 5,052,997,142,386,670/76,968,628.24 - Step 6: Final answer
x = 65,650,087.03
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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.